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SWIFTFIXTOOLS OEM PARTS & HARDWARE DIRECTORY
MOTORCYCLE 100% Guaranteed Fitment

Crankshaft

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1981 suzuki gs450st
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Quick answer: The Crankshaft for the 1981 1981 suzuki gs450st (MOTORCYCLE) consists of 45 OEM components. 36 are currently matched to live Amazon/eBay listings, priced from $2.10–$160.19.
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Showing 45 Components
ROD ASSY, CONNECTING

The Suzuki 12160-44100 Connecting Rod Assembly is an OEM-grade component designed for precision-engineered durability and performance in compatible Suzuki engines. This genuine part ensures exact fitment and superior quality control, meeting the manufacturer's stringent specifications for seamless integration with the engine block.

Constructed from high-strength alloy steel, the connecting rod features a reinforced design optimized for high-load applications. It is engineered to maintain structural integrity under extreme operating conditions, providing reliable power transmission between the piston and crankshaft. The component is supplied with precision-machined bearing surfaces for enhanced longevity and reduced wear.

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NUT

The Suzuki OEM 09159-08033 Nut is a precision component engineered for optimal performance in automotive assemblies. Manufactured to meet strict OEM standards, this nut delivers reliable fastening with consistent torque characteristics, ensuring durability and long-term reliability in high-stress applications.

Designed for compatibility with Suzuki engines and related drivetrain systems, this nut features a robust construction that resists wear and corrosion. The component is suitable for use in both routine maintenance and high-performance environments, providing a dependable solution for automotive professionals seeking quality and consistency.

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BEARING, CRANK PIN (US:0.25) *{OPT}*

This genuine Suzuki crank pin bearing set (Part No. 12164-44100-025) is engineered for precise fitment and optimal performance in GS500 and GSX400 models. Each bearing is manufactured to OEM specifications, ensuring compatibility with Suzuki's stringent tolerances for smooth operation and extended service life. The set includes four high-quality bearings, delivered in sealed packaging to prevent contamination prior to installation.

The crank pin bearings are constructed from premium-grade materials for superior durability under high-load conditions. Designed to maintain proper crankshaft alignment, these bearings reduce friction and minimize wear on critical engine components. Suitable for both GS500 and GSX400 engines, this replacement set meets or exceeds Suzuki's original equipment standards, providing a reliable solution for maintenance or repair.

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BEARING, CRANK PIN (YELLOW)

Genuine Suzuki big end bearing shells, part number 12164-44100-040, are designed specifically for the GS450 motorcycle engine. These new old stock (NOS) bearing shells feature a precision-engineered yellow coating for optimized heat dissipation and enhanced durability. The bearings are precision-machined to ensure exact fitment and reliable performance under high-stress conditions, making them ideal for both stock and performance applications.

These NOS bearing shells are manufactured to original Suzuki specifications, providing OEM-level quality and longevity. They are an essential component for engine rebuilds or routine maintenance, ensuring smooth crankshaft operation and reduced friction. Suitable for GS450 models, these bearing shells are a direct replacement for worn or damaged components.

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Amazon Listing
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8PCS 30mm Motorcycle Crankshaft Bearing Kit is precision-engineered for Suzuki GSX400, GSX-F400, BANDIT400, GSR400, and GS500 models manufactured between 1989 and 2011. This oversized bearing set features a 29.25mm inner diameter (oversize +75) to ensure optimal clearance and performance.

Constructed with high-grade steel and advanced anti-friction coating, these bearings reduce metal-to-metal contact, minimizing abrasive wear and extending the service life of critical engine components. The kit includes eight bearings with diameters ranging from 29mm to 30mm (standard, +25, +50, +75, +100 oversizes) and weighs 60g total. Compatible with OEM part numbers 12164-01D01-0A0 and 12164-01D01-0B0, this kit is designed for direct replacement, ensuring seamless integration with Suzuki’s 400cc and 500cc engine platforms.

  • 0: Protects engine core transmission parts, optimizes rod-crankshaft clearance, forms stable oil film and prevents direct metal friction wear.
  • 1: Reduces component abrasive wear and fatigue spalling, extends service life of key parts and cuts engine overhaul costs and frequency.
  • 2: Compatible with SUZUKI GSX400 GSX400RR GK73A; Compatible with SUZUKI GSX-F400 GK74A; Compatible with SUZUKI BANDIT400 GK75A; Compatible with SUZUKI GSX-R400R GK76A; Compatible with SUZUKI GSX400 RF400 RF400RV GK78A; Compatible with SUZUKI GSR400; Compatible with SUZUKI GS500 89-11; Weight : 60g; Diameter: 30mm /29.75mm /29.50mm /29.25mm/ 29mm; Size: STD (Standard) / +25 / +50 / +75 / +100
  • 3: The function of the combination of the crankshaft and connecting rods converts the reciprocating motion of the piston into the rotational motion of the crankshaft, and outputs power.
  • 4: The connecting rod transmits the motion and power of the piston to the crankshaft, which pushes the crankshaft to rotate.
  • 5: The crank bearing receives the force from the connecting rod and converts it into a torque about its own axis, which is then transmitted to the transmission system, while driving the train and some other auxiliary devices.
  • 6: Assists cooling system to dissipate frictional heat via oil circulation, avoiding severe faults like bearing burnout from local overheating.
  • 7: Performs reliably in diverse climates, delivering consistent lubrication and load-bearing effect in high-temperature continuous operation or low-temperature startups.
  • 8: Handles all riding intensities, maintaining stable performance for daily commuting and long-distance heavy-load journeys alike.
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eBay Listing
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NOS Suzuki Crank Bearing Pin 80-83 & 85-88 GS450 89-00 GS500 12164-01D01-0A0

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BEARING, CRANK PIN (US:0.5) | OPT

Genuine Suzuki crank pin bearing, part number 12164-44100-050, designed for optimal performance and durability. This new old stock (NOS) bearing is manufactured to OEM specifications, ensuring precise fitment and reliable operation in Suzuki engines. The bearing is engineered to support high rotational speeds and heavy loads, providing long-lasting service life in demanding conditions.

This crank pin bearing is an essential component for proper engine function, maintaining journal alignment and reducing friction between moving parts. Compatible with select Suzuki models, it meets strict quality standards for seamless integration into engine assemblies. The bearing's design incorporates advanced metallurgy and precision machining for superior wear resistance and heat dissipation.

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BEARING, CRANK PIN (BROWN)

Genuine Suzuki Big End Bearing Shells (Part No. 12164-44100-030) are precision-engineered components designed for the GS450 motorcycle engine. These new old stock (NOS) bearing shells provide a direct replacement for worn or damaged units, ensuring optimal engine performance and longevity.

The bearing shells are manufactured to OEM specifications, featuring a durable construction that withstands high loads and extreme pressure within the engine. Each set includes the necessary components for a complete installation, facilitating smooth crankshaft rotation and reducing mechanical wear. Compatible exclusively with Suzuki GS450 models, these bearing shells are an essential upgrade for engine rebuilds or maintenance projects.

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BEARING, CRANK PIN (BLACK)

Precision-engineered big end bearing shells for Suzuki GS450 motorcycles, part number 12164-44100-020. These new old stock (NOS) bearings are manufactured to original equipment specifications, ensuring optimal fit and performance for engine rebuilds or maintenance.

Designed for durability and smooth operation, these bearing shells provide reliable load distribution and reduced friction within the crankshaft assembly. The black-coated design enhances corrosion resistance and longevity, making them suitable for high-performance applications. Each set includes the necessary components for immediate installation.

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CRANKSHAFT

The 1981 Suzuki GS450T Engine Motor Crankshaft Assembly 12220-01D02 is engineered for optimal performance and durability. Designed to fit the original GS450T motorcycle, this component delivers precise rotational dynamics and reliable torque transmission, ensuring smooth engine operation under demanding conditions.

Constructed from high‑grade alloy, the crankshaft assembly resists fatigue and corrosion, extending service life. It features a robust bearing system and a balanced design that minimizes vibration, providing a quieter riding experience. The assembly is manufactured to exacting tolerances, guaranteeing seamless integration with the engine’s crankcase, connecting rods, and flywheel.

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BEARING, CRANKSHAFT (BLACK)

This OEM crankshaft bearing, part number 12229-01D01-0B0, is engineered specifically for Suzuki engines. Constructed with a durable black coating, it provides reliable support for the crankshaft, ensuring smooth rotational movement and reduced wear.

Designed to meet Suzuki's exacting standards, the bearing offers precise fitment and optimal load distribution, contributing to enhanced engine performance and longevity. It is a direct replacement for the original equipment component, guaranteeing compatibility and ease of installation.

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BEARING, CRANKSHAFT (BROWN)

High‑performance crankshaft bearings manufactured to original Suzuki specifications for GS450 and GS500 models produced between 1980 and 2009. Designed for optimal engine durability and smooth operation, these bearings are engineered with precision tolerances to ensure reliable performance under a variety of operating conditions.

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BEARING, CRANKSHAFT (GREEN)

The Suzuki GS450 GS450 OEM crank bearing (part number 12229-44100-010) is a direct replacement component engineered for compatibility with the GS450 and GS500F models. This precision bearing ensures optimal engine performance by maintaining smooth crankshaft rotation and reducing friction in the internal combustion system. Designed to meet OEM specifications, it guarantees a precise fit and reliable durability for long-term operation.

Manufactured to exacting standards, this crank bearing is essential for maintaining engine integrity during high-load conditions. It is constructed from high-grade materials to withstand extreme temperatures and mechanical stress. Suitable for both GS450 and GS500F engines, this bearing is a cost-effective solution for routine maintenance or performance upgrades, ensuring consistent power delivery and minimized wear.

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BEARING, CRANKSHAFT (BLACK)

Genuine OEM crankshaft bearings designed for the Suzuki GS450 motorcycle, part number 12229-44100-020. These NOS (New Old Stock) bearings are manufactured to exacting Suzuki specifications, ensuring precise fitment and optimal performance in the engine’s rotating assembly.

The bearings are sold as a set of two, providing all necessary components for a complete crankshaft bearing replacement. Precision-engineered for durability, they maintain critical tolerances to reduce friction and support sustained engine operation under standard riding conditions.

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BEARING, CRANKSHAFT (US:0.25) *{OPT}*

These OEM crank pin bearings are engineered for Suzuki GS450 models produced between 1982 and 1988. Part number 12229-44100-025 ensures a precise fit for optimal engine performance and reliability. The undersized 0.25mm specification compensates for wear while maintaining proper clearance, reducing friction and extending the service life of critical internal components.

The bearings are manufactured to OE (Original Equipment Manufacturer) standards, guaranteeing compatibility with stock specifications. Suitable for restoration projects, routine maintenance, or performance upgrades, these crank pin bearings deliver durable, high-load capacity performance in demanding motorcycle applications.

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BEARING, CRANKSHAFT (BROWN)

The SUZUKI 12229-44100-030 METAL CRANKSHAFT is an Original Equipment Manufacturer (OEM) replacement part designed for select Suzuki models. Constructed from high-grade forged steel, this crankshaft ensures durability and precision-engineered performance for optimal engine operation. The component is finished with a durable metal coating to resist wear and corrosion, maintaining integrity under demanding operating conditions.

This genuine NOS (New Old Stock) part is manufactured to SUZUKI's strict quality standards, ensuring a perfect fit and reliable functionality. It is recommended for use in applications requiring precise OEM specifications, providing consistent power delivery and reduced vibration. Suitable for engine rebuilds or replacements where manufacturer-approved components are required.

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BEARING, CRANKSHAFT (YELLOW)

This genuine OEM Suzuki crankshaft bearing, part number 12229-44100-040, is designed for optimal performance and durability in compatible Suzuki models. Engineered to meet or exceed original equipment specifications, it ensures precise fitment and reliable operation under demanding conditions. The bearing is labeled in yellow for easy identification, reducing the risk of incorrect installation.

Constructed from high-grade materials, this crankshaft bearing delivers superior load-bearing capacity and reduced friction for enhanced engine efficiency. It is a new, non-aftermarket part (NOS), guaranteeing freshness and adherence to manufacturing standards. Installation is straightforward for qualified technicians, minimizing downtime and ensuring long-term reliability.

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BEARING, CRANKSHAFT (US:0.5) *{OPT}*

High-quality crankshaft bearings shells for Suzuki models GS500, GS450, GSX400, and GSX250. Engineered to meet OEM specifications for precise fit and durability, these bearings shells ensure smooth and reliable engine performance. Designed to reduce friction and wear, they provide optimal support for the crankshaft, enhancing overall engine efficiency and longevity.

Compatibility is confirmed across the specified Suzuki models, with part number 12229-44100-050. These bearings are manufactured to strict tolerances to guarantee consistent performance under standard operating conditions. Ideal for routine maintenance or engine rebuilds, they deliver dependable operation in both stock and performance applications.

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BEARING, THRUST

The Suzuki GS450/GSX400 Crankshaft Trust Bearings (Part No. 12228-44101) are precision-engineered components designed for optimal engine performance and longevity. These new old stock (NOS) crank bearings ensure smooth rotation of the crankshaft while maintaining proper axial thrust control, reducing wear on critical engine parts.

Featuring a durable construction, these trust bearings are manufactured to meet OEM specifications, providing reliable operation under standard operating conditions. Compatible with GS450 and GSX400 models, they are an essential upgrade for engines requiring restored or enhanced thrust bearing functionality. Each package includes two bearings for balanced installation.

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NUT

The Suzuki OEM Part 09140-24007 is a right‑hand pivot nut designed to meet the exacting standards of original equipment manufacturers. Constructed from high‑quality materials, this component ensures reliable performance and durability in demanding automotive applications.

Engineered for precise fit and function, the pivot nut facilitates secure attachment and smooth operation of the associated assembly. It is an essential replacement part for maintaining optimal vehicle performance and safety.

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WASHER

This genuine OEM washer from Suzuki, part number 09164-25001-000, is engineered for optimal performance and durability in automotive applications. Designed to meet strict OEM specifications, it ensures precise fitment and reliable function for bolted assemblies. The washer provides uniform load distribution and corrosion resistance, enhancing joint integrity and longevity in high-stress environments.

Manufactured to Suzuki’s exacting standards, this washer guarantees consistent quality and compatibility with compatible Suzuki models. Its precision-engineered dimensions ensure a secure seal and prevent loosening under vibration, making it an essential component for routine maintenance or repair work. Ideal for professionals and DIY enthusiasts alike, this washer delivers OEM-grade reliability.

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PISTON (STD)

Genuine OEM Suzuki piston designed for GS450 models, featuring a +.50 oversize specification for enhanced performance and compatibility. Engineered to meet factory standards, this new old stock (NOS) component ensures precise fitment and optimal engine function. Manufactured by Suzuki, it carries the part number 12111-44100-050, guaranteeing authenticity and reliability for your motorcycle's rebuild or maintenance.

The piston is constructed from high-grade aluminum alloy, providing durability and heat resistance under demanding operating conditions. Compatible with Suzuki GS450 models, this piston is a direct replacement for worn or damaged stock components, offering improved combustion efficiency and power output. Ideal for enthusiasts and professionals seeking OEM-quality parts for restoration or performance upgrades.

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PISTON (0S0 .5) *{OPT}*

This NOS (New Old Stock) OEM Suzuki piston is designed for the GS450 engine, providing a precise fit and reliable performance. Machined to +.50 oversize specifications, it ensures optimal compression and durability for rebuilt or high-performance applications. The part number 12111-44100-050 guarantees genuine Suzuki engineering, meeting strict OEM quality standards.

Manufactured to exacting tolerances, this piston features a durable aluminum alloy construction and is pre-matched for compatibility with GS450 components. Ideal for restoration projects or performance upgrades, it delivers consistent power output and longevity. Includes ring set for complete assembly.

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PISTON RING SET (STD)

This genuine OEM piston ring set is designed for Suzuki GS450 models produced between 1980 and 1983. Manufactured to original equipment specifications, it ensures precise fitment and optimal engine performance. Each ring set includes all necessary components for a complete cylinder kit replacement.

The set includes 1 upper compression ring, 1 lower compression ring, and 2 oil control rings, all pre-gapped for immediate installation. Made from high-quality cast iron for durability and heat resistance, these piston rings meet or exceed OEM standards. The part number 12140-44110-100 is the direct replacement for the original equipment.

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PISTON RING SET (OS:1.0) *{OPT}*

This genuine Suzuki piston ring set is engineered for the GS450 models produced between 1980 and 1983. Designed as an original equipment manufacturer (OEM) component, part number 12140-44110-100, it ensures precise fitment and optimal performance for engine rebuilds or maintenance.

The ring set delivers reliable sealing and durability, maintaining compression and reducing oil consumption. This NOS (New Old Stock) item is preserved in factory packaging, guaranteeing authenticity and compatibility with the specified Suzuki GS450 engines.

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PIN, PISTON

High-performance piston wrist pin engineered for Suzuki GS series motorcycles, including the GS450, GS500, GS750, and RM250 models. Constructed with precision machining, the pin delivers reliable connection between piston and crankshaft while withstanding elevated operating pressures and temperatures.

Designed to meet OEM specifications, the component offers superior durability and a consistent fit within the engine assembly. Installation is straightforward, allowing technicians to replace worn wrist pins without extensive modifications.

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Amazon Listing
Amazon listing photo

OEM Replacement Piston Pin Circlip – Exact fit for Suzuki outboard motors. This high-quality circlip (item number 09381-18002) replaces OEM part numbers 09381-18002-000, 3003-537, and 3002-163, ensuring compatibility with select Suzuki 4–90 HP outboard engines manufactured from 1980 onward.

Designed for secure piston pin retention, this durable steel circlip maintains proper piston assembly during engine repairs or rebuilds. The 10-piece pack provides essential maintenance components for marine applications, offering reliable performance under high vibration and thermal stress. Includes manufacturer warranty coverage of 1 month.

  • 0: OEM REPLACEMENT PISTON PIN CIRCLIP: Replaces Suzuki OEM Part Numbers 09381-18002-000, 09381-18002, and equivalent numbers 3003-537 / 3002-163, providing a reliable replacement for worn or damaged piston pin circlips
  • 1: COMPATIBLE WITH SUZUKI OUTBOARD MOTORS: Fits select Suzuki 4 HP, 6 HP, 20 HP, 25 HP, 30 HP, 35 HP, 40 HP, 46 HP, 50 HP, 60 HP, 70 HP, 80 HP, and 90 HP outboard engines
  • 2: SECURE PISTON PIN RETENTION: Designed to securely hold the piston pin in place, helping maintain proper piston assembly and supporting reliable engine operation during repair or rebuild service
  • 3: DURABLE ENGINE COMPONENT: Manufactured from quality materials to withstand engine vibration, heat, and marine operating conditions, providing dependable performance and long service life
  • 4: 10 PCS PACK FOR MAINTENANCE: Includes 10 pieces of piston pin circlips, providing convenient replacement parts for engine repairs, maintenance, and overhaul applications
  • 5: VERIFY FITMENT BEFORE PURCHASE: Please confirm your original part number (09381-18002) and check your Suzuki outboard model, year, and engine specifications before ordering to ensure compatibility
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eBay Listing
eBay listing photo

Suzuki Piston Pin Circlip 09381-18002

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Crankshaft — Frequently Asked Questions

What OEM parts are included in the Crankshaft for the 1981 suzuki gs450st?

The Crankshaft for the 1981 suzuki gs450st includes 45 individual OEM components, each listed below with its exact OEM part number.

How much does the Crankshaft cost for the 1981 suzuki gs450st?

Individual components in this assembly currently range from $2.10–$160.19, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 1981 suzuki gs450st model years or trims?

Manufacturers frequently reuse the same physical part across multiple model years and trims, so a given OEM part number can be compatible with more than just this exact vehicle — search the OEM number directly to see every vehicle it fits.

What is the OEM part number for ROD ASSY, CONNECTING on the 1981 suzuki gs450st?

The OEM part number for the ROD ASSY, CONNECTING (part of the Crankshaft assembly) on the 1981 suzuki gs450st is 12160-44100.

Does OEM part 12160-44100 fit the 1981 suzuki gs450st?

Yes — OEM 12160-44100 is listed as the ROD ASSY, CONNECTING for the 1981 suzuki gs450st (1981), part of the Crankshaft assembly.

Which parts are included in the Crankshaft?

ROD ASSY, CONNECTING, ROD ASSY, CONNECTING | Includes Item(s) 2, NUT, BEARING, CRANK PIN (YELLOW), BEARING, CRANK PIN (US:0.25) *{OPT}*, BEARING, CRANK PIN (YELLOW), BEARING, CRANK PIN (BROWN), BEARING, CRANK PIN (BLACK), and 37 more — see the full list below.

What other vehicles use OEM part number 12160-44100?

OEM 12160-44100 (ROD ASSY, CONNECTING) also fits 34 other vehicles in this catalog, including 1980 suzuki gs450et — Crankshaft, 1980 suzuki gs450ex — Crankshaft, 1980 suzuki gs450ez — Crankshaft.

Cross-Marketplace Price Tracker
Compare total assembly price across Amazon Prime vs. eBay Certified Sellers.
Amazon Est. Total
$107.67
eBay Est. Total
$1,155.72