SUZUKI 21621-41G00 Cam Reaction Wave Washer

( Manufacturer Part Number: 21621-41G00 ), ( Part Type: Cam Washer )

Review SUZUKI Cam Reaction Wave Washer fits GSX-R750 2024

The **Suzuki 21621-41G00 24 GSX-R750 Cam Reaction Wave Washer** is a high-performance, precision-engineered component designed specifically for the iconic Suzuki GSX-R750, a motorcycle renowned for its razor-sharp handling, aggressive styling, and relentless speed. This washer is part of the camshaft reaction system, a critical element in the engine s valvetrain that ensures smooth, consistent operation while minimizing wear and friction. Crafted from high-quality, durable materials, this washer features a **24-millimeter outer diameter**, a dimension carefully calibrated to match the exact specifications of the GSX-R750 s camshaft lobes, allowing for optimal contact and load distribution. Its **reaction wave design** introduces a subtle but strategic curvature, which helps to dissipate stress more evenly across the camshaft journal, reducing the risk of premature wear or damage especially under high-RPM conditions where camshaft loads peak. The washer s **smooth, polished surface** minimizes friction between the cam and its bearing, contributing to a quieter, more efficient valvetrain and extending the lifespan of both the washer itself and the camshaft. Ideal for both stock and modified GSX-R750 engines, this part is a must-have upgrade for riders seeking to enhance reliability, reduce maintenance intervals, and preserve the engine s performance integrity, whether they re pushing the bike to its limits on the track or simply aiming for trouble-free, high-mileage reliability. Perfect for DIY mechanics and professional shops alike, this washer is a testament to Suzuki s commitment to precision engineering and the demands of modern high-performance motorcycling.

### **Pros and Cons of buying a Suzuki 21621-41G00 (24 GSX-R750 Cam Reaction Wave Washer)**

1. **Compatibility with GSX-R750 Models** This washer is specifically designed for the Suzuki GSX-R750, ensuring a proper fit and effective cleaning of the camshaft reaction wave valve (CRW). It is a direct replacement part, reducing the risk of installation issues.

2. **Prevents Engine Damage** The CRW washer helps maintain proper oil flow and pressure within the engine, preventing potential damage from oil starvation or contamination. A worn or missing washer can lead to oil leaks, reduced lubrication, and long-term engine wear.

3. **Easy Installation** As an OEM (Original Equipment Manufacturer) part, it is designed to be straightforward to install, requiring minimal tools and expertise. Most riders or mechanics can replace it without specialized equipment.

4. **Cost-Effective Maintenance** Compared to more complex engine repairs, replacing the washer is a relatively inexpensive preventive measure. It extends the lifespan of the engine and avoids costly breakdowns.

5. **Availability and Reliability** Suzuki parts are widely available through authorized dealers, online marketplaces, and aftermarket suppliers. The part is well-documented, ensuring reliability and consistency in performance.

6. **Part of Routine Maintenance** Replacing the washer is a standard part of regular engine servicing, especially for high-performance bikes like the GSX-R750. It aligns with best practices for maintaining peak performance and longevity.

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1. **Minor Wear Over Time** While durable, the washer will eventually wear out, especially in high-mileage or aggressive riding conditions. It requires periodic inspection and replacement as part of regular maintenance.

2. **Potential for Misplacement During Installation** If not handled carefully, the washer can be lost or misplaced during installation, leading to a need for a replacement or additional time to locate it.

3. **Limited Lifespan Compared to Other Components** Unlike more robust engine parts, the washer is a smaller, consumable component that may need replacement more frequently than other parts, depending on usage.

4. **Dependence on Proper Installation** If installed incorrectly (e.g., improper seating or contamination), it may not function as intended. Improper installation could lead to oil leaks or reduced effectiveness.

5. **Cost of Replacement Over Time** While individually inexpensive, frequent replacements (if the washer wears out quickly) could add up over the bike s lifespan, though this is typically negligible compared to the cost of engine repairs.

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The Suzuki 21621-41G00 cam reaction wave washer is a **critical yet straightforward maintenance part** for the GSX-R750. Its primary advantage lies in its role in preventing engine damage by ensuring proper oil flow and sealing. The part is reliable, easy to install, and widely available, making it a low-risk, high-reward component for routine maintenance.

The main drawbacks are minor primarily the need for periodic replacement and the potential for user error during installation. However, these are easily mitigated with proper attention during servicing. For riders who prioritize engine longevity and performance, replacing this washer as part of regular maintenance is a **smart and cost-effective decision**.

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- You own a GSX-R750 and are performing routine maintenance.

- You notice signs of oil leaks or reduced oil pressure near the camshaft area.

- You want to prevent potential engine damage from a failing washer.

- You prefer using OEM parts for reliability and compatibility.

- Regular oil changes (every 6,000 8,000 miles or as per Suzuki s service intervals).

- Any camshaft-related servicing or engine tune-ups.

- You observe oil leaks or unusual engine noises that could indicate a failing washer.

- The washer appears worn or damaged during inspection.

For most riders, this part is a **necessary and inexpensive investment** to keep the GSX-R750 running smoothly. If you re unsure about installation, consult a Suzuki-certified mechanic to ensure proper fitting.

Details:

Tabs are intact. Finish has light wear. Comes as pictured.: Cover is in good condition with no cracks.

Items are shipped using USPS, UPS, and FedEx. Was removed from a 2024 Suzuki GSX-R750.

part #: 2162141g00 prices

• $14.99-$18.84

specifications atvfendersgo:

• for models: Gsx-r750
• for makes: Suzuki
• for years: 2024
• mpn: 21621-41g00
• part type: Cam Washer

seller atvfendersgo:

• rating: 99.8%
• # reviews: 96849
• city: Ashaway, Rhode Island

general atvfendersgo:

• condition: Used
• Body Frame > Body Parts, doors Fenders > Fenders

shipping atvfendersgo:

• service: USPS Ground Advantage, USPS Priority Mail Flat Rate Envelope, UPS Next Day Air, UPS 2nd Day Air
• type: Calculated
• transit: 3-8 Days
• carrier: USPS, UPS
• class: Standard, Expedited, One-day
• cost: $0.00

returns atvfendersgo:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

payments atvfendersgo:

• credit card: Mastercard
• other
• wallet: Paypal

offer atvfendersgo:

• quantity: 1
• best offers: True
• options: Ship-to-home
• started: February 4, 2026
• sold: 0
• availability: In Stock

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• Suzuki 09160-05039 Oem Washer 5.5x20x1.4 Qty 3 Nos (41.9% similar) Oem suzuki 09160-05039 washer 5.5X20X1.4 qty 3 nos. If the original package is included it may show signs of wear. 3 washer 5.5X20X1.4S are new and in excellent condition, not original packaging. Items are shipped using USPS, ups, and FedEx. All parts are in stock and ready to ship. Pictures: ...(March 5th, 2026)