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SWIFTFIXTOOLS OEM PARTS & HARDWARE DIRECTORY
MOTORCYCLE 100% Guaranteed Fitment

Master Cylinder Gs400b 1

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1977 suzuki gs400x
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Quick answer: The Master Cylinder Gs400b 1 for the 1977 1977 suzuki gs400x (MOTORCYCLE) consists of 11 OEM components. 5 are currently matched to live Amazon/eBay listings, priced from $1.65–$69.99.
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Showing 11 Components
SCREW

This genuine Suzuki screw, part number 09125-03105, is a high-quality replacement component designed for precise fitment and reliable performance in compatible Suzuki models. Manufactured to OEM specifications, this new old stock (NOS) screw ensures durability and maintains the integrity of your vehicle’s assembly. The stainless steel construction provides corrosion resistance, ensuring long-term reliability even in demanding operating conditions.

Ideal for use in engine, transmission, or chassis applications, this screw meets stringent Suzuki quality standards. Its precise threading and dimensional accuracy guarantee a secure fit, minimizing the risk of loosening or failure over time. As a genuine part, it integrates seamlessly with Suzuki components, preserving the performance and safety of your vehicle.

eBay Motors Stock Available

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

Buy on eBay ($1.65)
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)
PLATE

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)
PLATE

This genuine OEM Suzuki GS/GT/GP plate, part number 59685-33601, ensures precise fitment and durability for your motorcycle. Manufactured to Suzuki's strict quality standards, this new replacement part guarantees original equipment specifications for optimal performance and longevity. Designed for select Suzuki GS, GT, and GP models, it maintains factory-grade fit and finish.

This NOS (New Old Stock) plate is ideal for restoration projects or routine maintenance where OEM authenticity is required. Backed by Suzuki's warranty, it provides a seamless integration with your motorcycle's existing components. Note that compatibility must be verified prior to purchase to ensure suitability for your specific model.

eBay Motors Stock Available

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

Buy on eBay ($26.91)
CAP, RESERVOIR

This genuine Suzuki gasket kit, part number 59669-33602, is designed for select Suzuki motorcycle models including the GT125, GT185, GT200 X5, GT250 X7, GT380, GT500, GT550, GT750, and RE5. Engineered to exacting OEM specifications, this kit ensures optimal sealing performance and durability for engine components.

The gasket kit includes all necessary sealing components required for maintenance or assembly. Each gasket is manufactured from high-quality materials compatible with Suzuki’s engineering standards, providing reliable performance under standard operating conditions. This kit is a direct replacement part, ensuring a precise fit and maintaining manufacturer-approved performance levels.

eBay Motors Stock Available

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

Buy on eBay ($69.99)

Master Cylinder Gs400b 1 — Frequently Asked Questions

What OEM parts are included in the Master Cylinder Gs400b 1 for the 1977 suzuki gs400x?

The Master Cylinder Gs400b 1 for the 1977 suzuki gs400x includes 11 individual OEM components, each listed below with its exact OEM part number.

How much does the Master Cylinder Gs400b 1 cost for the 1977 suzuki gs400x?

Individual components in this assembly currently range from $1.65–$69.99, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 1977 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 SCREW on the 1977 suzuki gs400x?

The OEM part number for the SCREW (part of the Master Cylinder Gs400b 1 assembly) on the 1977 suzuki gs400x is 09125-03105.

Does OEM part 09125-03105 fit the 1977 suzuki gs400x?

Yes — OEM 09125-03105 is listed as the SCREW for the 1977 suzuki gs400x (1977), part of the Master Cylinder Gs400b 1 assembly.

Which parts are included in the Master Cylinder Gs400b 1?

SCREW, DIAPHRAGM, PLATE, PLATE, CAP, RESERVOIR, WASHER, BOLT, O RING, and 3 more — see the full list below.

What other vehicles use OEM part number 09125-03105?

OEM 09125-03105 (SCREW) also fits 324 other vehicles in this catalog, including 1972 suzuki tc125j — Handle Switch, 1972 suzuki tc125l — Handle Switch, 1972 suzuki tc125m — Handle Switch.

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
$115.19