OE Quality
60-Day Returns

Pioneer Cables HB-1121 Engine Harmonic Balancer Repair Sleeve
Reliable Engine Harmonic Balancer Repair Sleeve for Jeep Models
The Pioneer Cables HB-1121 Engine Harmonic Balancer Repair Sleeve is designed to restore the integrity of your Jeep's harmonic balancer assembly. Specifically compatible with Jeep Cherokee, CJ5, CJ7, Grand Wagoneer, J10, J20, Scrambler, Wagoneer, and Wrangler models, this repair sleeve ensures a secure fit and reliable performance.
Key Features of the HB-1121 Repair Sleeve
- Compatible with multiple Jeep models including Cherokee, CJ5, CJ7, Grand Wagoneer, J10, J20, Scrambler, Wagoneer, and Wrangler
- Engine harmonic balancer repair sleeve designed to restore proper fitment and function
- Durable construction to withstand engine vibrations and stresses
- Part number HB-1121 for precise identification and replacement
- Facilitates repair without the need for full harmonic balancer replacement
Detailed Product Description
The Pioneer Cables HB-1121 is an engine harmonic balancer repair sleeve engineered to address wear and damage in the harmonic balancer assembly of select Jeep vehicles. Over time, the balancer sleeve can deteriorate, leading to misalignment or vibration issues. This repair sleeve provides a cost-effective solution by restoring the original fit and function. Compatible with a range of Jeep models such as the Cherokee, CJ5, CJ7, Grand Wagoneer, J10, J20, Scrambler, Wagoneer, and Wrangler, the HB-1121 ensures proper installation and engine balance. Its robust design helps maintain engine performance and reduces the risk of further damage caused by harmonic imbalance.
Common Applications and Issues Addressed
- Repairing worn or damaged harmonic balancer sleeves on Jeep Cherokee and Wrangler engines
- Resolving vibration and misalignment caused by sleeve wear in Jeep CJ5 and CJ7 models
- Restoring proper harmonic balancer fitment on Jeep Grand Wagoneer and Wagoneer vehicles
- Preventing further engine damage due to harmonic balancer imbalance in Jeep J10 and J20 trucks
- Extending the service life of the harmonic balancer assembly on Jeep Scrambler models
Installation Notes and Tips
- Ensure the engine is cool and the vehicle is securely supported before beginning installation
- Remove the harmonic balancer carefully to avoid damage to surrounding components
- Clean the crankshaft and balancer surfaces thoroughly before fitting the repair sleeve
- Use appropriate tools to press the HB-1121 sleeve into place without causing deformation
- Verify proper alignment and secure fitment to maintain engine balance and reduce vibration
Quality Assurance and Warranty Information
Pioneer Cables manufactures the HB-1121 repair sleeve to meet industry standards for durability and performance. While specific warranty details are not provided, the product is designed to offer reliable service when installed correctly and used with compatible Jeep models. For optimal results, follow installation guidelines and consult vehicle service manuals as needed.
This part fits 74 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1990 | Jeep | Wrangler | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1989 | Jeep | Wrangler | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1988 | Jeep | Wrangler | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1987 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1987 | Jeep | Wrangler | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1986 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1986 | Jeep | Grand Wagoneer | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1986 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1985 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1985 | Jeep | Grand Wagoneer | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1985 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1985 | Jeep | Scrambler | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1984 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1984 | Jeep | Grand Wagoneer | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1984 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1984 | Jeep | Scrambler | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1983 | Jeep | Cherokee | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1983 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1983 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1983 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1983 | Jeep | Scrambler | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1983 | Jeep | Wagoneer | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1982 | Jeep | Cherokee | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1982 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1982 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1982 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1982 | Jeep | Scrambler | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1982 | Jeep | Wagoneer | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1981 | Jeep | Cherokee | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1981 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1981 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1981 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1981 | Jeep | Scrambler | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1981 | Jeep | Wagoneer | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1980 | Jeep | Cherokee | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1980 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1980 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1980 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1980 | Jeep | Wagoneer | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1979 | Jeep | Cherokee | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1979 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1979 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1979 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1978 | Jeep | Cherokee | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1978 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1978 | Jeep | CJ5 | 3.8L | L6 | N/A | O.D. 1.815/1.817 |
| 1978 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1978 | Jeep | CJ7 | 3.8L | L6 | N/A | O.D. 1.815/1.817 |
| 1978 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1977 | Jeep | Cherokee | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1977 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1977 | Jeep | CJ5 | 3.8L | L6 | N/A | O.D. 1.815/1.817 |
| 1977 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1977 | Jeep | CJ7 | 3.8L | L6 | N/A | O.D. 1.815/1.817 |
| 1977 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1976 | Jeep | Cherokee | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1976 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1976 | Jeep | CJ5 | 3.8L | L6 | N/A | O.D. 1.815/1.817 |
| 1976 | Jeep | CJ7 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1976 | Jeep | CJ7 | 3.8L | L6 | N/A | O.D. 1.815/1.817 |
| 1976 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1976 | Jeep | J20 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1975 | Jeep | Cherokee | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1975 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1975 | Jeep | CJ5 | 3.8L | L6 | N/A | O.D. 1.815/1.817 |
| 1975 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1974 | Jeep | Cherokee | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1974 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1974 | Jeep | J10 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1974 | Jeep | J20 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1973 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1973 | Jeep | Wagoneer | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1972 | Jeep | CJ5 | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
| 1972 | Jeep | Wagoneer | 4.2L | L6 | N/A | O.D. 1.815/1.817 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.