MITSUBISHI 1141A045 Tensioner Timing Chain

( Manufacturer Part Number: 1141A045 ), ( Part Type: Timing Chain ), ( Description: Tensioner, Timing Chain ), ( Manufacturer Warranty: 1 Month ), ( Vintage Part: No ), ( Country Of Origin: Japan )

Review MITSUBISHI Genuine Oem Tensioner Timing Chain New

The **Mitsubishi 1141A045 Timing Chain Tensioner** is a precision-engineered component designed to maintain optimal timing chain tension within Mitsubishi engines, ensuring seamless synchronization between the crankshaft and camshaft. Crafted from high-quality materials, this tensioner features a robust hydraulic or mechanical design (depending on the engine application) to deliver consistent performance under varying operating conditions. Its durable construction incorporates a sealed housing filled with specialized lubricants or hydraulic fluid, which minimizes wear and prevents premature failure, thereby extending the lifespan of the entire timing system. The tensioner s spring-loaded or hydraulic mechanism dynamically adjusts to compensate for chain slack, reducing chain rattle and preventing potential damage to critical engine components. Engineered to meet Mitsubishi s stringent quality standards, this part is compatible with a range of engines, including those found in vehicles like the Lancer, Outlander, and Mirage, ensuring reliable operation across diverse driving conditions. Whether installed in high-performance applications or everyday commuting scenarios, the 1141A045 tensioner guarantees smooth engine operation, reduced noise, and enhanced longevity, making it an essential component for maintaining peak engine efficiency.

**Pros and Cons of buying a Mitsubishi 1141A045 Tensioner (Timing Chain Tensioner)**

The **Mitsubishi 1141A045** is a timing chain tensioner used in various Mitsubishi engines, including the 4G63, 4G93, and 4A92 series. Below is a detailed analysis of its advantages and disadvantages, followed by a conclusion and recommendation.

---

### **Pros**

1. **OEM Quality and Compatibility**

- The 1141A045 is an original equipment (OEM) part, meaning it meets Mitsubishi s exact specifications for fit, function, and durability. This reduces the risk of premature failure or improper installation compared to aftermarket knockoffs.

- It is designed to integrate seamlessly with the engine s timing system, ensuring proper tensioning of the timing chain and preventing slack or excessive tension.

2. **Reliability and Longevity**

- Mitsubishi s OEM components are engineered for long-term use, especially in engines that rely on precise timing chain tension. A high-quality tensioner reduces wear on the timing chain, sprockets, and other related components, potentially extending the engine s lifespan.

- Many users report that OEM tensioners last the entire service interval (typically 100,000 150,000 miles) without issues, provided the engine is maintained properly.

3. **Warranty Coverage**

- Purchasing directly from Mitsubishi or an authorized dealer often includes a warranty (e.g., 12 24 months or unlimited mileage in some cases). This provides peace of mind in case of defects or early failure.

- Aftermarket parts may not offer the same level of warranty protection, leaving the buyer responsible for any issues.

4. **Prevents Costly Engine Damage**

- A failing timing chain tensioner can cause the chain to jump or stretch, leading to catastrophic engine damage (e.g., valve-to-piston contact in interference engines like the 4G63). Replacing the tensioner proactively avoids expensive repairs.

- The 1141A045 is designed to maintain consistent tension, reducing the risk of such failures.

5. **Ease of Installation**

- As an OEM part, the tensioner is designed to fit standard tools and procedures. Installation instructions are typically clear, and it is less likely to require modifications or additional parts compared to non-OEM alternatives.

- Many mechanics and DIYers find OEM parts easier to work with due to their standardized design.

6. **Support for Engine Performance**

- Proper tensioning ensures optimal engine performance, including smooth operation, reduced noise, and efficient power delivery. A worn or failing tensioner can introduce vibration, rattling, or even engine misfires.

---

### **Cons**

1. **Higher Cost**

- OEM parts are generally more expensive than aftermarket alternatives. The 1141A045 can cost significantly more than a generic or third-party tensioner, which may appeal to budget-conscious buyers.

- Prices vary by source (dealer vs. online retailer), but expect to pay **$80 $150 ** for the part, depending on availability and region.

2. **Limited Availability Outside Dealerships**

- While the part is widely available, purchasing it from non-authorized sellers (e.g., eBay, Amazon, or random online stores) carries a risk of receiving counterfeit or low-quality parts. Always verify the seller s reputation and part authenticity.

- Some aftermarket parts may appear identical but fail prematurely or lack proper seals/gaskets.

3. **Potential for Overkill in Some Cases**

- If the engine has already been heavily modified or if the tensioner failure is due to other issues (e.g., oil sludge, poor maintenance), replacing just the tensioner may not fully resolve the problem. A full timing chain overhaul might be necessary, making the OEM part less cost-effective in the long run.

4. **Longer Lead Times**

- Ordering from a dealership or official Mitsubishi parts distributor may result in longer shipping times compared to aftermarket suppliers. This can be inconvenient for urgent repairs.

5. **Mixed Reviews on Durability in Aggressive Driving Conditions**

- While OEM parts are reliable under normal conditions, some users report that the 1141A045 may wear out faster in high-performance or heavily modified engines (e.g., turbocharged or high-RPM applications). In such cases, aftermarket high-performance tensioners may be preferable.

---

### **Conclusion**

The **Mitsubishi 1141A045 timing chain tensioner** is a high-quality, reliable OEM part that offers significant advantages in terms of compatibility, durability, and peace of mind. Its primary strengths lie in its ability to prevent engine damage, maintain proper timing, and integrate seamlessly with the engine. However, the higher cost and potential availability issues (especially with non-authentic parts) are notable drawbacks.

For most standard applications whether in a stock or lightly modified engine the 1141A045 is the **best choice** due to its proven reliability and warranty support. It is particularly recommended for:

- **Preventative maintenance** (e.g., during a timing chain service).

- **Engines with known tensioner failures** (e.g., 4G63, 4G93).

- **Buyers who prioritize long-term reliability over cost savings**.

If budget is a major concern and the engine is in good condition, a **high-quality aftermarket tensioner** (from reputable brands like **Fel-Pro, Gates, or ATE**) could be a viable alternative, provided the seller is trusted and the part meets OEM specifications. However, for critical repairs or high-mileage engines, the OEM part is the safest option.

Purchase the **Mitsubishi 1141A045 from an authorized dealer or a trusted online parts retailer** (e.g., RockAuto, PartsGeek, or a local Mitsubishi service center) to ensure authenticity and warranty coverage. If purchasing aftermarket, verify the part s compatibility and read reviews from users with similar engines. Always replace the tensioner as part of a **complete timing chain service**, including inspection of the chain, sprockets, and guides. This approach maximizes reliability and minimizes the risk of future issues.

Details:

You pay only item cost shipping. Fast and free shipping. Warranty: 30-day limited warranty included. The part must be installed properly and not disassembled to qualify.

Quality, Speed, and Service.

part #: 1141a045 prices

• $66.99-$119.85

specifications cranshafengin:

• for makes: Mitsubishi
• mpn: 1141a045
• part type: Timing Chain
• description: Tensioner, Timing Chain
• manufacturer warranty: 1 Month
• vintage part: No
• country of origin: Japan

returns cranshafengin:

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

shipping cranshafengin:

• class: Standard
• service: Standard
• transit: 9-14 Days
• cost: $0.00
• type: Fixed

offer cranshafengin:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: January 31, 2026
• sold: 0

payments cranshafengin:

• wallet: Google-pay
• credit card: Visa
• other

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

seller cranshafengin:

• # reviews: 2950
• city: Shirley, New York
• rating: 100.0%

Mitsubishi 1141A045 Is Similar To:

• 4b11t Genuine Evo Evolution 10 08 Short Block 1000b021 Mitsubishi Lancer (22.7% similar) ...(July 10th, 2015)
• 1100a118 Mitsubishi Genuine Crankshaft Pulley (46.6% similar) Shipping carrier substitutions may be made at our determination in an attempt to reduce cost the customer. Electrical parts are not returnable...(January 22nd, 2018)
• 1100a139 Mitsubishi Genuine Lancer Es De Crank Shaft Oem (50.9% similar) Lift gate delivery to a business is 45 extra. All shipping charges are within lower 48 states only...(September 7th, 2018)
• 1100a141 Mitsubishi Oem 97-03 Montero (40% similar) Electrical items and supplement restraint system components. Sr's modules, airbags, and crash sensors are non-returnable. And we discount them all. Some parts may have multiple options depending on the vehicle application. Our expert staff is here to help you find the right parts first time, every ...(October 6th, 2017)
• 1100a142 Mitsubishi Oem 00-12 Eclipse (37.9% similar) Our expert staff is here to help you find the right parts first time, every time for car, truck or SUV. Some parts may have multiple options depending on the vehicle application. Electrical items and supplement restraint system components. Sr's modules, airbags, and crash sensors are non-returnable...(October 6th, 2017)
• 1100a190 Oem Mitsubishi Eclipse Evo Forged Std Crankshaft Stroker (37.4% similar) This listing is for one, in excellent condition mitsubishi oem forged steel nitrated std crankshaft a eclipse gallant GRANDIS2004 lancer out lander spider shipping several forms of may be available such as USPS priority, priority express or FedEx 3 day ground. It has not been turned and std in size ...(May 23rd, 2018)
• 1101a015 Mitsubishi Oem 08-16 Outlander (37.1% similar) Est, mon to Fri...(November 2nd, 2017)
• 1101a022 Mitsubishi Oem Outlander Engine (49% similar) Est, mon to Fri...(November 2nd, 2017)
• 1104a074 Mitsubishi Lancer Es De Oem Crankshaft Pulley (42.9% similar) Lift gate delivery to a business is 45 extra. All shipping charges are within lower 48 states only...(November 11th, 2018)
• 1104a102 Mitsubishi Oem Harmonic Balancer (38.4% similar) Warranting warranty...(October 20th, 2018)
• 12929515 Aftermarket Replacement New Crankshaft Position Sensor Mitsubishi Eclipse Chrysler Sebring (24.2% similar) The items are brand new parts that look and fit same as original, except at a much better price...(January 14th, 2019)