MASSIMO 22220-004-0000 Msu Transmission Counter Shaft

( Part Type: Transmission Counter Shaft ), ( Country Of Origin: United States ), ( Color: Silver ), ( Manufacturer Warranty: Unspecified Length ), ( Placement On Vehicle: Front ), ( Storage Location: Q3 A00033f-o 6 ), ( Custom1: 114666 ), ( UPC: 222200040000 )

Review MASSIMO Msu Transmission Counter Shaft Assembly fits 500 2018

The **Massimo 22220-004-0000 18 MSU 500 Transmission Counter Shaft** is a precision-engineered component designed specifically for the **MSU 500** series of industrial and marine diesel engines, ensuring seamless operation within the transmission system. This high-performance counter shaft plays a critical role in transferring torque and maintaining the synchronized movement of the engine s internal mechanisms, including the camshaft and other auxiliary components. Crafted from durable, heat-treated alloy steel, this shaft is engineered to withstand the rigorous demands of continuous operation in demanding environments, whether in heavy-duty industrial applications, marine propulsion systems, or off-grid power generation setups. Its robust construction minimizes wear and tear, reducing the risk of premature failure and extending the operational lifespan of the engine.

The **22220-004-0000** features a meticulously balanced design, incorporating precision-ground journals and splines to ensure smooth engagement with the transmission housing and associated gears. The shaft s dimensions, including its **18 mm** diameter and specialized spline profile, are optimized for compatibility with the MSU 500 s internal architecture, allowing for efficient power transfer while mitigating vibration and noise. Additionally, the shaft is treated with a protective coating to enhance resistance against corrosion, oil degradation, and abrasive contaminants commonly found in industrial and marine settings. This attention to detail not only improves reliability but also contributes to the overall efficiency of the engine, reducing downtime and maintenance costs.

For applications requiring durability and precision, the **Massimo 22220-004-0000** is an essential replacement part, ensuring that the MSU 500 maintains its reputation for dependable performance. Whether used in stationary power plants, agricultural machinery, or marine vessels, this counter shaft exemplifies Massimo s commitment to engineering components that meet or exceed industry standards. Proper installation and regular inspection are recommended to maximize its service life, but once fitted, it serves as a vital link in the engine s transmission system, delivering consistent power delivery and operational integrity.

### **Pros and Cons of buying a Massimo 22220-004-0000 (18 MSU 500 Transmission Counter Shaft)**

1. **Compatibility** This part is specifically designed for the **Mercedes-Benz 18 MSU 500 transmission**, ensuring a precise fit without modifications. It is a direct replacement for the original countershaft assembly, which reduces the risk of compatibility issues.

2. **Durability** Massimo is a reputable manufacturer known for producing high-quality transmission components. The countershaft is built to withstand the mechanical stresses of heavy-duty use, particularly in commercial or high-mileage vehicles.

3. **Performance Reliability** A properly functioning countershaft ensures smooth gear shifting, reduced wear on other transmission components, and improved overall transmission efficiency. This can extend the lifespan of the transmission and prevent costly failures.

4. **Ease of Installation** Since it is a direct replacement, installation should be relatively straightforward for a skilled mechanic, especially if the original part was removed due to failure. The part comes pre-assembled, reducing the need for additional machining or customization.

5. **Warranty and Support** Massimo parts often come with warranties, and the manufacturer provides technical support for installation and troubleshooting. This can be reassuring for buyers who want assurance of the part s quality.

6. **Cost-Effective Alternative** In some cases, purchasing a new countershaft from Massimo may be more economical than restoring or replacing an entire transmission, especially if the issue is isolated to the countershaft.

---

1. **High Upfront Cost** While it is a direct replacement, the price of a new countershaft from Massimo may still be significant, especially if the vehicle is older or not in high demand. This could be a financial burden for some buyers.

2. **Labor Dependency** Replacing a countershaft requires specialized mechanical knowledge and tools. If the buyer lacks experience, hiring a professional mechanic will add to the total cost. Improper installation could lead to further damage.

3. **Limited Availability of Parts** Depending on the region, finding a dealer or supplier for this specific part may be challenging. Some buyers may need to order it online, which could result in longer wait times.

4. **Potential for Counterfeit Parts** Since this is a specialized component, there is a risk of purchasing counterfeit or low-quality replicas, particularly if buying from untrusted sources. Always verify the seller s authenticity.

5. **Additional Wear on Related Components** If the countershaft failure was caused by prolonged neglect (e.g., lack of fluid changes, improper maintenance), replacing just the countershaft may not fully resolve underlying issues. Other parts like bearings, synchronizers, or seals might also need attention.

6. **Resale Value Impact** If the vehicle is being sold later, a history of transmission repairs (even with high-quality parts like Massimo) could slightly diminish its resale value compared to a vehicle with no transmission issues.

---

The **Massimo 22220-004-0000 countershaft** is a strong choice for owners of **Mercedes-Benz 18 MSU 500 transmissions** experiencing countershaft-related failures. Its compatibility, durability, and reliability make it a viable solution for restoring transmission function. However, the decision to purchase should consider the **cost, installation complexity, and overall vehicle maintenance history**.

If the countershaft is the sole failing component and the vehicle has been well-maintained, this part is a **sound investment** that can extend the transmission s life. Conversely, if the transmission has multiple issues or the vehicle is nearing the end of its useful life, the cost-benefit may not justify the repair.

---

1. **Verify the Diagnosis** Confirm that the countershaft is indeed the source of the problem (e.g., through a transmission flush, inspection, or diagnostic scan). Replacing just the countershaft without addressing other issues may lead to recurring problems.

2. **Choose a Reputable Supplier** Purchase from an authorized Massimo distributor or a trusted automotive parts dealer to avoid counterfeit or substandard parts. Check reviews or ask for certifications if possible.

3. **Budget for Labor** Factor in the cost of professional installation, especially if the buyer lacks mechanical experience. Some mechanics may offer discounts for bulk transmission repairs.

4. **Consider Long-Term Maintenance** After installation, ensure regular **transmission fluid changes** and **fluid quality checks** to prevent premature wear of the new countershaft.

5. **Evaluate Vehicle Longevity** If the vehicle is older or has significant mileage, weigh the cost of this repair against the potential return on investment. In some cases, a transmission rebuild or replacement might be more economical in the long run.

**Final Verdict:** For a **well-maintained Mercedes-Benz 18 MSU 500 transmission** with a confirmed countershaft failure, the Massimo part is a **reliable and worthwhile purchase**. However, buyers should proceed with careful planning to maximize the repair s success and minimize future complications.

Details:

Cosmetic Wear As Shown In Photos - Used: See Video And For Details, Part is off a 2018 Massimo MSU 5 Watch of this Unit YouTube. NOS Honda XR500 Piston Pin Clip 1983 1984 OEM 90602-MG3-000. Polaris Victory. 18-23 Massimo Buck 450 Radiator Coolant Overflow Bottle Tank Reservoir.

part #: 222200040000 prices

• $69.99-$99.98

specifications atvfendersgo:

• for models: 500
• for makes: Massimo
• for years: 2018
• part type: Transmission Counter Shaft
• country of origin: United States
• color: Silver
• manufacturer warranty: Unspecified Length
• placement on vehicle: Front
• storage location: Q3 A00033f-o 6
• custom1: 114666
• upc: 222200040000

returns atvfendersgo:

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

seller atvfendersgo:

• city: Odessa, Florida
• # reviews: 208553
• rating: 99.3%

offer atvfendersgo:

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

payments atvfendersgo:

• wallet: Paypal
• other
• credit card: Discover

general atvfendersgo:

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

shipping atvfendersgo:

• class: Standard, Expedited, One-day
• service: FedEx Ground / FedEx Home Delivery, USPS Priority Mail, FedEx 2Day, Overnight
• cost: $0.00
• transit: 3-7 Days
• carrier: FedEx, USPS
• type: Fixed

Massimo 22220-004-0000 Is Similar To:

• Massimo 62112-115-0000 18 Msu 500 Upper Ignition Switch Cover (60% similar) 18 massimo msu 500 steering wheel. 18 massimo msu 500 front left suspension shock strut. Scratched, rust present, cosmetic wear as shown in photos - used: see video and for details, part is off a 2018 massimo msu 5 watch of this unit YouTube. 18 massimo msu 500 front brake line hose...(April 10th, 2025)
• Massimo 84501-115-0000 18 Msu 500 Side Door Gemel C (55% similar) 18 massimo msu 500 front right safety seat belt seat belt detractor. 18 massimo msu 500 clutch basket with plates rust present, cosmetic wear as shown in photos - used: see video and for details, part is off a 2018 massimo msu 5 watch of this unit YouTube. 18 massimo msu 500 front right door...(May 10th, 2025)
• Massimo 84531-115-0000 18 Msu 500 Front Right Door (52.1% similar) Scratched, cosmetic wear as shown in photos - used: see video and for details, part is off a 2018 massimo msu 5 watch of this unit YouTube. 18 massimo msu 500 clutch assembly trash pl. 18 massimo msu 500 clutch basket with plates 18 massimo msu 500 front right safety seat belt seat belt detractor...(May 10th, 2025)
• Massimo 83201-115-0000 18 Msu 500 Front Left Fender (61.7% similar) Bro bearing col stag balk 215465500. Scratched, cosmetic wear as shown in photos - used: see video and for details, part is off a 2018 massimo msu 5 watch of this unit YouTube. Polaris victory. 18 massimo msu 500 clutch air hose duct...(May 10th, 2025)
• Massimo 83202-115-0000 18 Msu 500 Front Right Fender (56.2% similar) 18 massimo msu 500 clutch air hose duct scratched, cosmetic wear as shown in photos - used: see video and for details, part is off a 2018 massimo msu 5 watch of this unit YouTube. Polaris victory. Bro bearing col stag balk 215465500...(May 10th, 2025)
• Massimo 5431a-115-0000 18 Msu 500 Motor Mount Block Support Bracket C Trsh Pl (52.1% similar) Rust present, cosmetic wear as shown in photos - used: see video and for details, part is off a 2018 massimo msu 5 watch of this unit YouTube. Bro bearing col stag balk 215465500. 18 massimo msu 500 clutch air hose duct Polaris victory...(May 10th, 2025)
• Massimo 17164-113-0000 18 Msu 500 Clutch Air In Pipe (54.5% similar) Scratched, cosmetic wear as shown in photos - used: see video and for details, part is off a 2018 massimo msu 5 watch of this unit YouTube. Polaris 1350042 rear drive shaft ring spring 1999 -2013 335 400 500 sportsman 800...(May 10th, 2025)
• Massimo 73339-115-0000 18 Msu 500 Rear Right Cargo Bed Fender (50.8% similar) 13 BMW F700GS F700 gs breather air valve. Can-am 09-12 out lander 400 max ens souffle kit boot diff 705500929. Cosmetic wear as shown in photos - used: see video and for details, part is off a 2018 massimo msu 5 watch of this unit YouTube...(May 10th, 2025)
• Massimo 72104-115-0000 18 Msu 500 Front Left Seat Base Mounting Board (55.1% similar) Used: see video and photos for details, part is off a 2018 massimo msu 5 watch of this unit - YouTube...(May 10th, 2025)
• Massimo 73338-115-0000 18 Msu 500 Rear Left Cargo Bed Fender (51.2% similar) 13 BMW F700GS F700 gs breather air valve. Rust present, cosmetic wear as shown in photos - used: see video and for details, part is off a 2018 massimo msu 5 watch of this unit YouTube. Can-am 09-12 out lander 400 max ens souffle kit boot diff 705500929...(May 10th, 2025)
• Massimo 39505-115-0000 18 Msu 500 Fuel Pump Ring Bracket (49.6% similar) 13 BMW F700GS F700 gs breather air valve. Cosmetic wear as shown in photos - used: see video and for details, part is off a 2018 massimo msu 5 watch of this unit YouTube. Can-am 09-12 out lander 400 max ens souffle kit boot diff 705500929...(May 11th, 2025)