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SWIFTFIXTOOLS OEM PARTS & HARDWARE DIRECTORY
MOTORCYCLE 100% Guaranteed Fitment

Optional

Selected Vehicle
1978 suzuki gs400x
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Quick answer: The Optional for the 1978 1978 suzuki gs400x (MOTORCYCLE) consists of 19 OEM components. 9 are currently matched to live Amazon/eBay listings, priced from $7.99–$48.36.
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Showing 19 Components
THREAD LOCK CEMENT *{C,XC; 200G}*

The Suzuki OEM part 99000-32040 is a professional-grade thread lock cement designed for secure fastening of mechanical assemblies. Engineered to meet Suzuki's exacting standards, this adhesive provides reliable resistance to vibration and torque loss, ensuring long‑term joint integrity.

Formulated for compatibility with Suzuki components, the thread lock cement is applied directly to threaded connections prior to assembly. It cures rapidly to deliver a durable bond that can be removed with standard disassembly tools when maintenance is required.

eBay Motors Stock Available

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Buy on eBay ($29.00)
SUZUKI SUPER GREASE *{C,XC}*

The Suzuki Super Grease C 99000-25030 provides reliable lubrication for a wide range of automotive applications. Formulated to meet Suzuki's stringent performance standards, this grease offers consistent protection against wear, corrosion, and moisture infiltration.

Designed for compatibility with Suzuki engines and components, the product ensures optimal operation under normal service conditions. Its high‑temperature stability and resistance to water washout help maintain mechanical integrity and extend service intervals.

eBay Motors Stock Available

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

Buy on eBay ($16.00)
THREAD LOCK CEMENT, SUPER | C,XC

The Suzuki Outboard 1303 Thread Lock, part number 99000-32030, provides reliable securing of threaded connections on marine propulsion systems. Engineered to meet Suzuki's stringent quality standards, this thread lock ensures consistent torque retention and resistance to vibration, extending the service life of critical components.

Designed for straightforward application, the product is compatible with a range of Suzuki outboard models. Its formulation offers optimal balance between adhesion and ease of disassembly, facilitating routine maintenance while preventing loosening under demanding operating conditions.

eBay Motors Stock Available

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

Buy on eBay ($12.95)
SUZUKI MOLY PASTE *{C,XC}*

The Suzuki OEM part 99000-25140 is a high‑quality Mory paste designed specifically for Suzuki applications. Engineered to meet original equipment manufacturer standards, this paste ensures optimal performance and durability in the intended mechanical assemblies.

Precision formulation provides consistent viscosity and adhesion, facilitating reliable installation and long‑term stability. The product is supplied in its original packaging, guaranteeing authenticity and compliance with Suzuki specifications.

eBay Motors Stock Available

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

Buy on eBay ($48.36)
GREASE, CALLPER AXIE *{C; 20G}*

The NOS Genuine Suzuki OEM 99000-25110 PBC Brake Pad Grease is a premium lubricant specifically formulated for Suzuki brake pad assemblies. Designed to meet original equipment manufacturer standards, this grease ensures optimal friction performance and consistent brake response.

Its high-temperature stability and water-resistant properties protect brake components from corrosion and wear, extending service intervals and maintaining safety standards. The product is supplied in a sealed container to preserve purity and prevent contamination.

eBay Motors Stock Available

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

Buy on eBay ($19.50)
KEY, BLANK | C,XC

This genuine Suzuki motorcycle key blank, part number 37145-19710, is an original equipment manufacturer (OEM) replacement designed for precise compatibility with select Suzuki models. Manufactured to Suzuki’s stringent quality standards, this key blank ensures a secure fit and reliable operation for ignition and steering systems.

Packaged as new old stock (NOS), this key blank is an exact match to the original part, maintaining factory-level performance. It is constructed from durable materials to withstand daily use and environmental conditions. Use with compatible Suzuki models requiring key blank 37145-19710 for optimal functionality.

eBay Motors Stock Available

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Buy on eBay ($13.50)
KEY, BLANK *{C,XC}*

This NOS (New Old Stock) Suzuki key blank is part number 37145-19710, designed as a direct replacement for select Suzuki motorcycle models. It is also compatible with sub-series 37146-49300 S24, ensuring versatile fitment across multiple applications.

Manufactured to OEM specifications, this key blank guarantees precise alignment and reliable performance. It is an ideal solution for restoration projects, spare key needs, or emergency replacements, maintaining full functionality with original Suzuki locking systems.

eBay Motors Stock Available

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

Buy on eBay ($20.99)
GREASE, BRAKE PAD *{C; 20G}*

This high-performance Suzuki Caliper Axle Grease is specifically formulated for lubricating brake caliper pistons and axle components in Suzuki vehicles. Engineered to withstand extreme temperatures and high-pressure conditions, this grease ensures smooth operation and extends the service life of critical braking and suspension systems.

Packaged in a durable 100-gram tube, the grease is compatible with synthetic and mineral-based brake fluids, providing superior corrosion protection and resistance to water washout. The high-temperature stability of this product prevents hardening or melting, maintaining consistent performance in demanding driving environments.

eBay Motors Stock Available

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

Buy on eBay ($7.99)
9
GASKET SET *{C,XC}*

GASKET SET *{C,XC}*

eBay Preferred
OEM Ref: 11400-44814
GASKET SET *{C,XC}*

This NOS (New Old Stock) genuine Suzuki gasket kit is engineered for the GS400 models from 1977 and 1978, ensuring an exact fit and premium sealing performance. Designed for restoration or maintenance, the kit includes all necessary gaskets to rebuild critical engine components, including cylinder head, crankcase, and transmission covers. Manufactured to original equipment specifications, it provides the reliability and precision required for vintage motorcycle applications.

The kit is designated with the OEM part number 11400-44814, guaranteeing compatibility with Suzuki GS400 models produced in the specified years. Precision-engineered from high-quality materials, the gaskets deliver durable sealing under typical operating conditions. This product is ideal for enthusiasts and mechanics seeking authentic restoration components.

eBay Motors Stock Available

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

Buy on eBay ($48.29)
Exact factory OEM # 99000-31030 may be temporarily out of stock in official store listings.
High Demand Part
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Exact factory OEM # 99000-10109-019 may be temporarily out of stock in official store listings.
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16

NO DESCRIPTION AVAILABLE | C,XC

Exact OEM Stock Low
OEM Ref: 11400-44865
Also fits 3 other vehicles
Exact factory OEM # 11400-44865 may be temporarily out of stock in official store listings.
High Demand Part
Search Aftermarket / Compatible Fits

Looking for a direct-fit replacement from a compatible aftermarket brand?

Browse Amazon Compatible Parts →
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19

PAINT (MARBLE STRAIGHT RED) | XC; NET:90G

Exact OEM Stock Low
OEM Ref: 99000-10209-05J
Also fits 4 other vehicles
Exact factory OEM # 99000-10209-05J may be temporarily out of stock in official store listings.
High Demand Part
Search Aftermarket / Compatible Fits

Looking for a direct-fit replacement from a compatible aftermarket brand?

Browse Amazon Compatible Parts →
Search Live Auctions & Used OEM Stock

Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.

Search Live Listings on eBay →

Optional — Frequently Asked Questions

What OEM parts are included in the Optional for the 1978 suzuki gs400x?

The Optional for the 1978 suzuki gs400x includes 19 individual OEM components, each listed below with its exact OEM part number.

How much does the Optional cost for the 1978 suzuki gs400x?

Individual components in this assembly currently range from $7.99–$48.36, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 1978 suzuki gs400x 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 THREAD LOCK CEMENT *{C,XC; 200G}* on the 1978 suzuki gs400x?

The OEM part number for the THREAD LOCK CEMENT *{C,XC; 200G}* (part of the Optional assembly) on the 1978 suzuki gs400x is 99000-32040.

Does OEM part 99000-32040 fit the 1978 suzuki gs400x?

Yes — OEM 99000-32040 is listed as the THREAD LOCK CEMENT *{C,XC; 200G}* for the 1978 suzuki gs400x (1978), part of the Optional assembly.

Which parts are included in the Optional?

THREAD LOCK CEMENT *{C,XC; 200G}*, SUZUKI SUPER GREASE *{C,XC}*, THREAD LOCK CEMENT, SUPER | C,XC, SUZUKI MOLY PASTE *{C,XC}*, GREASE, CALLPER AXIE *{C; 20G}*, KEY, BLANK | C,XC, KEY, BLANK *{C,XC}*, GREASE, BRAKE PAD *{C; 20G}*, and 11 more — see the full list below.

What other vehicles use OEM part number 99000-32040?

OEM 99000-32040 (THREAD LOCK CEMENT *{C,XC; 200G}*) also fits 1993 other vehicles in this catalog, including 1968 suzuki titan-t500-1 — Optional, 1968 suzuki titan-t500-2 — Optional, 1968 suzuki titan-t500-3 — Optional.

Cross-Marketplace Price Tracker
Compare total assembly price across Amazon Prime vs. eBay Certified Sellers.
Amazon Est. Total
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eBay Est. Total
$216.58