Crown J8127403 Synchronizer Blocking Ring Set 80-86 Jeep CJ5 CJ7 Scrambler
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$39.14
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Synchronizer Blocking Ring Set for 80-86 CJs, XJ, SJ, J-Series w/ T4, T5, SR4. Replaces OE part number J8127403. Ships direct from the Crown warehouse.
- 1st & 2nd Gear Synchronizer Blocking Ring Set
- Includes 2 Blocking Rings
- Direct Replacement
- Use Existing Hardware
- 12-Month Warranty
Notes: 1st & 2nd Gear; Includes 2 Blocking Rings
In the box: (2) Synchronizer Blocking Rings
Vehicle Fitment
| Year | Make | Model | Notes |
|---|---|---|---|
| 1982-1983 | Jeep | CJ5 | w/ T4, T5 Transmissions |
| 1980-1981 | Jeep | CJ5 | w/ SR4 Transmission |
| 1982-1986 | Jeep | CJ7 | w/ T4, T5 Transmissions |
| 1980-1981 | Jeep | CJ7 | w/ SR4 Transmission |
| 1984-1985 | Jeep | Cherokee | w/ T4, T5 Transmissions |
| 1982-1983 | Jeep | Cherokee | w/ T5 Transmission |
| 1982-1983 | Jeep | Grand Wagoneer | w/ T5 Transmission |
| 1982-1983 | Jeep | J-200 | w/ T5 Transmission |
| 1982-1983 | Jeep | J-2000 | w/ T5 Transmission |
| 1982-1983 | Jeep | J-300 | w/ T5 Transmission |
| 1982-1983 | Jeep | J-3000 | w/ T5 Transmission |
| 1982-1983 | Jeep | J-4000 | w/ T5 Transmission |
| 1982-1983 | Jeep | J10 | w/ T5 Transmission |
| 1982-1983 | Jeep | J20 | w/ T5 Transmission |
| 1982-1986 | Jeep | Scrambler | w/ T4, T5 Transmissions |
| 1981 | Jeep | Scrambler | w/ SR4 Transmission |
| 1982-1983 | Jeep | Wagoneer | w/ T5 Transmission |
Please confirm the part number and your vehicle's year, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Crown |
|---|---|
| Part Number | J8127403 |
| Replaces OE Number | J8127403 |
| UPC | 848399079678 |
| Position | Front & Rear |
| Transmission | T5, T4, SR4 |
| Material | Bronze |
| Color / Finish | Bronze |
| Hardware | Use Existing Hardware |
| Sold As | Set |
| Dimensions | 3 x 3 x 1.5 in. |
| Weight | 0.4 lb |
| Warranty | 12 Month |
| Interchange Numbers | 1332410002, 8127403 |
| Country of Origin | US |
Part numbers are used for reference purposes only. No implication is made that the parts supplied are the product of the original equipment manufacturer.