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SWIFTFIXTOOLS OEM PARTS & HARDWARE DIRECTORY
MOTORCYCLE 100% Guaranteed Fitment

Rear Master Cylinder

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1985 suzuki gs550esf
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Quick answer: The Rear Master Cylinder for the 1985 1985 suzuki gs550esf (MOTORCYCLE) consists of 29 OEM components. 19 are currently matched to live Amazon/eBay listings, priced from $1.00–$99.99.
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Amazon Listing
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Genuine OEM Suzuki piston cup assembly, part number 69600-34810, designed for optimal engine performance and durability. This precision-engineered component conforms to Japanese manufacturing standards, ensuring exact fitment and reliable operation in compatible Suzuki models. Recommended for professional installation by qualified technicians to maintain manufacturer specifications.

Before placement of order, verify vehicle compatibility by cross-referencing the provided part number 69600-34810 with the vehicle’s VIN or existing component. This ensures correct application and prevents installation errors. Item is subject to availability; orders may be canceled if the part becomes discontinued or unavailable due to production constraints.

  • 0: This is a genuine Japanese part
  • 1: Genuine OEM For Suzuki
  • 2: Part number: 69600-34810
  • 3: Please verify the compatibility before making a purchase
  • 4: To ensure fitment, match the part number or provide us your VIN
View on Amazon ($93.83) →
eBay Listing
eBay listing photo

The Suzuki Piston & Cup SE 69600-34810 is a genuine OEM replacement part designed for optimal engine performance. This new piston and cup set ensures precise fitment and durability, meeting strict factory specifications for compatibility with select Suzuki models. Manufactured to exacting standards, it delivers reliable combustion efficiency and reduced wear over extended use.

Engineered for direct replacement, this OEM component maintains manufacturer-grade performance without deviations. The piston and cup assembly is precision-machined to maintain proper clearance and sealing, ensuring smooth operation and minimizing the risk of engine damage. Suitable for applications requiring the specified part number, this product guarantees a seamless installation process for professional mechanics and DIY enthusiasts alike.

View on eBay ($35.60) →
YOKE

This genuine Suzuki OEM rear master cylinder yoke is engineered for the 1980-1983 GS850GL models, ensuring precise fitment and optimal performance. Constructed from high-strength steel, this component guarantees durability and reliable braking system operation. The yoke’s design aligns with Suzuki’s original engineering specifications, maintaining the motorcycle’s stock handling characteristics.

Manufactured to meet strict OEM quality standards, this part is a direct replacement for the original component, providing seamless integration with the rear master cylinder assembly. Its robust construction ensures long-term resistance to wear and mechanical stress, making it an essential component for maintenance or restoration projects.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($20.95)
BOOT

This genuine OEM Suzuki GS550 SS boot, part number 69691-45001, is designed for 1977 to 1979 GS550 models. Compatible with stock specification rear suspension systems, this NOS (New Old Stock) component ensures exact fitment and premium quality for restoration or repair projects.

Manufactured to Suzuki's original standards, the boot prevents debris ingress and protects internal suspension components. The OEM part number 69691-45000 serves as the reference for replacement identification, guaranteeing authenticity and seamless integration with compatible GS550 models.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($7.95)
CIRCLIP

This is the NOS Genuine Suzuki Master Cylinder Circlip, part number 51162-70040. Manufactured to OEM specifications, this circlip ensures precise fitment and reliable performance for Suzuki braking systems. Designed for durability, it provides secure retention within the master cylinder assembly, preventing component displacement during operation.

Ideal for restoration projects or routine maintenance, this new replacement part meets or exceeds original equipment standards. Fast shipping available to minimize downtime for technicians and enthusiasts alike.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($7.79)
TANK ASSY, RESERVOIR

This rear reservoir tank is engineered for direct replacement on the 1983 Suzuki GS650GL motorcycle. Designed to maintain optimal brake fluid capacity for the bike's hydraulic braking system, it ensures consistent performance and reliability during operation.

Constructed from high-grade aluminum alloy for enhanced durability and corrosion resistance, the tank features a smooth, seamless finish for professional-grade aesthetics. The part is precision-machined to meet OEM specifications, guaranteeing a perfect fit and seamless integration with the bike's brake system.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($15.00)
TANK ASSY,RR RS | Includes Item(s) 10 - 12

This genuine Suzuki rear reservoir tank is designed specifically for the GS650GL model, providing a precise fit and reliable performance. The part number 69740-31D00 ensures compatibility with original equipment specifications, maintaining the integrity of the motorcycle's braking system.

Constructed from high-quality materials, the reservoir tank is engineered to meet OEM standards, ensuring durability and long-term functionality. Its compact design integrates seamlessly with the bike's rear assembly, offering a clean and professional appearance while preserving optimal brake fluid capacity for safe operation.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($7.95)
CAP

The front brake fluid reservoir lid cap is engineered specifically for Suzuki GSXR models 600, 750, and 1000. Constructed from high‑grade polymer, the cap provides a secure, leak‑free seal that maintains optimal hydraulic pressure within the brake system.

Designed to meet original equipment manufacturer standards, this OEM component matches the exact dimensions and mounting interface of part number 59669-07D00. Installation requires no modifications, ensuring a straightforward replacement that restores the factory‑specified performance and safety characteristics.

Ideal for service technicians and discerning riders, the lid cap offers durability, resistance to chemical exposure, and a precise fit that prevents contamination of brake fluid. It is a critical element for maintaining consistent braking response and overall vehicle reliability.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($9.77)
CAP

This OEM replacement master cylinder cap is engineered for compatibility with select Suzuki motorcycle models, including the GS750, GS550, and GS380. Precision-crafted to match original equipment specifications, the cap ensures a secure seal and proper brake system integrity. Constructed from durable materials, it meets or exceeds OEM quality standards for long-lasting performance and reliability.

Designed for seamless installation, this cap eliminates the need for aftermarket alternatives while maintaining the exact fitment of the original component. Its sturdy construction resists wear and environmental damage, providing consistent protection for the brake fluid reservoir. Engineered for Suzuki GS750, GS550, and GS380 models, this cap is an essential upgrade for maintaining optimal brake system functionality.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($99.99)
PLATE, DIAPHRAGM

The NOS Suzuki diaphragm plate RE5 is a genuine replacement component designed for GT750 and GT550 models. Engineered to meet original equipment manufacturer standards, it ensures reliable performance and seamless integration within the fuel system.

Constructed with high‑quality materials, this diaphragm plate delivers consistent pressure regulation and durability under demanding operating conditions. It is supplied as a complete unit, ready for direct installation without the need for additional modifications.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($4.95)
DIAPHRAGM

The Suzuki OEM Part 59667-18441 DIAPHRAOM is a genuine component designed to meet the exacting standards of original equipment manufacturers. Engineered for seamless integration, this part ensures reliable performance and durability within Suzuki vehicle systems.

Constructed from high-quality materials, the DIAPHRAOM component offers precise fitment and optimal functionality, supporting the vehicle's operational efficiency. It is recommended for use in maintenance and repair applications where OEM-level quality is required.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($11.69)
BOLT

This Suzuki OEM NOS genuine original motorcycle bolt, part number 01500-06167, is designed as a direct replacement for vintage models requiring precise specifications. Constructed from durable steel, this bolt ensures reliable performance and longevity in high-stress applications.

Engineered to meet Suzuki's strict quality standards, this NOS bolt retains the original fit and function of the manufacturer's specifications. It is ideal for restoration projects, maintenance, or aftermarket customization where authenticity and precision are critical.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($5.00)
BOLT

This high-quality fastener kit includes washers and bolts specifically designed for Suzuki 1984 DT 85TCLE 85hp outboard motors. Engineered for durability and precision fitment, the components ensure reliable performance and secure assembly in marine applications.

Each bolt and washer in this kit adheres to the exact specifications required for the 85hp Suzuki outboard, delivering optimal torque retention and corrosion resistance. The kit is ideal for maintenance, repair, or replacement of critical fasteners in the outboard motor assembly.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($20.00)
Amazon Listing
Amazon listing photo

This 100% brand new aftermarket top-end rebuild kit provides a complete solution for revitalizing the engine of Suzuki JR50 and LT50 models. Constructed from high-quality aluminum, the kit includes a 44mm bore cylinder, piston, rings, gaskets, and all necessary hardware for direct replacement. Designed for durability and optimal engine performance, the components feature superior craftsmanship to minimize wear and maximize sealing integrity.

The kit is engineered to prevent coolant and fuel leakage, ensuring reliable operation under standard conditions. It fits Suzuki JR50 models from 1985-2006, LT50 models from 1983-1987, ALT50 models from 1983-1984, and LTA50 models from 2002-2005. Packaged in dimensions of 19x16x15cm and weighing 1.9kg, the kit is easy to install and recommended for professional installation to guarantee proper fitment and performance.

  • 0: Fitment: The Piston Rebuild Kit fit for Suzuki JR 50 1985-2006; for Suzuki LT 50 1983-1987; for Suzuki ALT50 1983-1984; for Suzuki LTA 50 2002-2005.
  • 1: Replacement Part Number: 01500-0645B, 08321-01067, 09263-12023, 09381-12001, 09482-00290, 11111-04001, 11141-04000, 11210-04012-0F0, 11241-04010, 12110-43000, 12140-16B10, 12151-04700.
  • 2: Complete Kit: All-in-one solution includes cylinder, piston, rings, gaskets, and hardware. Completely equipped automotive air cylinder kit, made with delicate workmanship as well as superior material. Good sealing performance, prevent coolant and fuel from leakage, superior and reliable quality.
  • 3: High Quality Material: Made of high quality aluminum material and best craftsmanship to make the item more durable and have the best performance. Not easy to damage, wear-resistant and waterproof, durable and sturdy, can be used for a long time.
  • 4: Package Included: 1 x LT50 Cylinder, 1 x LT50 Cylinder Head, 1 x Spark Plug, 1 x Piston, 1 x Piston Pin, 2 x Piston Rings, 2 x Circlips, 1 x Free Needle Bearing, 1 x Thread Lock, 4 x Free Cylinder Studs, 4 x Free Stud Nuts, 1 x Head Gasket, 1 x Base Gasket. Easy installation, without the need for complex installation tools, easy to use, direct replacement for your old or broken one. But professional installation is recommended.
View on Amazon ($95.89) →
eBay Listing
eBay listing photo

The Suzuki lock washer part number 08321-01067 is an original equipment manufacturer (OEM) component designed for use on a wide range of Suzuki models, including RM, FZ, GS, GT, SP, and vintage motorcycles produced between 1968 and 2020. Constructed from high‑strength steel, this lock washer provides reliable vibration resistance and secure fastening for critical engine and chassis connections.

Engineered to meet Suzuki's strict quality standards, the washer ensures consistent torque retention and long‑term durability in demanding riding conditions. It is a direct replacement for the factory‑installed part, guaranteeing proper fit and function without the need for modifications.

View on eBay ($2.85) →
Amazon Listing
Amazon listing photo

This replacement washer for Suzuki powersports vehicles is designed to restore original equipment manufacturer (OEM) performance at a cost-effective price point. Engineered to meet Suzuki's exacting standards, it ensures a precise fit and reliable function for ATVs, snowmobiles, and related applications. The part number 08322-01067 is critical for ensuring compatibility with your specific model year and trim.

Before placing an order, verify the part number aligns with your vehicle's specifications to prevent installation mismatches. This washer eliminates the need for costly dealer service or extended wait times while maintaining the integrity of the original assembly.

View on Amazon ($25.95) →
eBay Listing
eBay listing photo

The Suzuki Washer model 08322-01067 is a vintage‑style component engineered to meet the original equipment manufacturer (OEM) specifications for a wide range of Suzuki models, including TS, TM, TC, RM, DR, LS, and VS. Constructed from high‑quality materials, this washer provides reliable sealing performance and durability under typical operating conditions.

Designed for straightforward installation, the part integrates seamlessly with existing assemblies, ensuring proper fit and function without the need for additional modifications. Its dimensions and tolerances correspond precisely to the original part, guaranteeing compatibility and maintaining the integrity of the system in which it is employed.

Ideal for service technicians, restoration specialists, and owners seeking authentic replacement components, this washer delivers the performance expected from genuine Suzuki parts. It supports the continued operation of legacy equipment while adhering to the rigorous standards associated with the brand.

View on eBay ($4.50) →
CLAMP

This genuine OEM Suzuki NOS clamp assembly, part number 09400-16304, delivers precise fitment and durable construction for optimal nitrous oxide system performance. Engineered to meet Suzuki’s exacting standards, this NOS clamp ensures secure mounting and leak-free operation in compatible models.

Manufactured with high-grade materials, the clamp features a robust design for long-term reliability under high-pressure conditions. Designed for direct replacement, it maintains OEM specifications for seamless integration with stock systems or aftermarket NOS setups.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($8.95)
Amazon Listing
Amazon listing photo

This Jstpure Washer 09161-10009 is specifically designed for use in various Suzuki vehicle components. Constructed from durable multicolor materials, it ensures long-lasting performance and reliable operation under standard usage conditions.

Engineered for precise compatibility, this washer provides a secure fit to maintain equipment integrity and prevent loosening. The product is supplied as pictured, and compatibility must be verified against the vehicle model and component specifications prior to installation.

  • 0: For Suzuki WASHER 09161-10009
  • 1: WASHER 0916110009 a secure fit for various components in your vehicle, enhancing overall performance and reliability.
  • 2: Made of materials, this WASHER 0916110009 is designed to withstand the rigors of daily use, providing lasting durability and peace of mind.
  • 3: Engineered for dependable operation and precise compatibility, helping maintain the performance and reliability of your marine equipment.
  • 4: For the best fit and proper installation, please verify your model and carefully compare the product photos and specifications before purchase.
View on Amazon ($24.17) →
eBay Listing
eBay listing photo

NOS GENUINE SUZUKI WASHER 09161-10005 SS 09161-10009 NEW OEM FACTORY ORIGINAL

View on eBay ($4.95) →
BOLT

This genuine Suzuki front brake hose union bolt set is engineered for the Suzuki RG400 and RG500 Gamma models, ensuring precise fitment and reliable performance. Constructed from high-grade steel with a corrosion-resistant coating, the bolts provide durable protection against wear and environmental degradation. The set includes all necessary components for a complete installation, facilitating efficient brake system maintenance.

Designed to meet OEM specifications, these union bolts maintain optimal hydraulic pressure and prevent fluid leakage at the brake hose connection points. The 09360-10017 part number guarantees compatibility with the original brake assembly, ensuring seamless integration and long-term reliability. Suitable for professional mechanics and DIY enthusiasts alike, this bolt set delivers the precision and durability required for high-performance motorcycle applications.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($39.99)

Rear Master Cylinder — Frequently Asked Questions

What OEM parts are included in the Rear Master Cylinder for the 1985 suzuki gs550esf?

The Rear Master Cylinder for the 1985 suzuki gs550esf includes 29 individual OEM components, each listed below with its exact OEM part number.

How much does the Rear Master Cylinder cost for the 1985 suzuki gs550esf?

Individual components in this assembly currently range from $1.00–$99.99, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 1985 suzuki gs550esf 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 PISTON CUP SET on the 1985 suzuki gs550esf?

The OEM part number for the PISTON CUP SET (part of the Rear Master Cylinder assembly) on the 1985 suzuki gs550esf is 69600-34810.

Does OEM part 69600-34810 fit the 1985 suzuki gs550esf?

Yes — OEM 69600-34810 is listed as the PISTON CUP SET for the 1985 suzuki gs550esf (1985), part of the Rear Master Cylinder assembly.

Which parts are included in the Rear Master Cylinder?

PISTON CUP SET, YOKE, NUT, BOOT, CIRCLIP, BOLT, TANK ASSY, RESERVOIR, TANK ASSY,RR RS | Includes Item(s) 10 - 12, and 21 more — see the full list below.

What other vehicles use OEM part number 69600-34810?

OEM 69600-34810 (PISTON CUP SET) also fits 72 other vehicles in this catalog, including 1981 suzuki gs650g — Rear Master Cylinder, 1981 suzuki gs650gl — Rear Master Cylinder, 1982 suzuki gs650g — Rear Master Cylinder.

Cross-Marketplace Price Tracker
Compare total assembly price across Amazon Prime vs. eBay Certified Sellers.
Amazon Est. Total
$239.84
eBay Est. Total
$316.72