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SWIFTFIXTOOLS OEM PARTS & HARDWARE DIRECTORY
MOTORCYCLE 100% Guaranteed Fitment

Optional 1

Selected Vehicle
1978 suzuki rm400
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Quick answer: The Optional 1 for the 1978 1978 suzuki rm400 (MOTORCYCLE) consists of 9 OEM components. 3 are currently matched to live Amazon/eBay listings, priced from $16.00–$79.99.
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Showing 9 Components
1
GASKET SET

GASKET SET

eBay Preferred
OEM Ref: 11401-41810
Also fits 2 other vehicles
GASKET SET

This genuine OEM Suzuki Complete Gasket Kit is designed specifically for the 1978 Suzuki RM400 motorcycle, ensuring precise fitment and optimal performance. The kit includes all necessary gaskets and seals required for a full engine rebuild or maintenance, maintaining the original equipment manufacturer (OEM) specifications for reliability and durability.

Constructed from high-quality materials, this NOS (New Old Stock) gasket kit is ideal for restoring classic Suzuki RM400 models to factory condition. The part number 11401-41810 corresponds directly to the manufacturer's recommended gasket set, providing a seamless replacement solution for worn or damaged components. Suitable for both professional mechanics and DIY enthusiasts, this kit delivers the integrity and performance expected from a premium OEM product.

eBay Motors Stock Available

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

Buy on eBay ($79.99)
CEMEKT, THREAD LOCK

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

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

Buy on eBay ($29.00)
GREASE, SUPER

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)
Exact factory OEM # 99000-10109-019 may be temporarily out of stock in official store listings.
High Demand Part
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Search Live Auctions & Used OEM Stock

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Exact factory OEM # 99000-10109-163 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 1 — Frequently Asked Questions

What OEM parts are included in the Optional 1 for the 1978 suzuki rm400?

The Optional 1 for the 1978 suzuki rm400 includes 9 individual OEM components, each listed below with its exact OEM part number.

How much does the Optional 1 cost for the 1978 suzuki rm400?

Individual components in this assembly currently range from $16.00–$79.99, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 1978 suzuki rm400 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 GASKET SET on the 1978 suzuki rm400?

The OEM part number for the GASKET SET (part of the Optional 1 assembly) on the 1978 suzuki rm400 is 11401-41810.

Does OEM part 11401-41810 fit the 1978 suzuki rm400?

Yes — OEM 11401-41810 is listed as the GASKET SET for the 1978 suzuki rm400 (1978), part of the Optional 1 assembly.

Which parts are included in the Optional 1?

GASKET SET, CEMEKT, THREAD LOCK, GREASE, SUPER, INFLATOR, AIR, LEVER, TIRE, TOOL SET, INNER TUBE, GASKET, LIQUID, PAINT (BLACK) *{NET:90G}*, and 1 more — see the full list below.

What other vehicles use OEM part number 11401-41810?

OEM 11401-41810 (GASKET SET) also fits 2 other vehicles in this catalog, including 1978 suzuki rm400 — Optional, 1978 suzuki rm400 — Optional 2.

Cross-Marketplace Price Tracker
Compare total assembly price across Amazon Prime vs. eBay Certified Sellers.
Amazon Est. Total
eBay Est. Total
$124.99