Overview
The Crown Automotive T14BSG transmission overhaul kit, part number T14BSG, is a rebuild kit for the T14 transmission. It fits 1967–1972 Jeep CJ5 and CJ6, several 1967–1972 J-series trucks and 1967–1972 Jeep Wagoneer (SJ) Base models.
The kit includes front and rear bearings, gaskets, seals and a small parts kit, so it covers the bearings, seals and gaskets that are replaced in an overhaul. It does not include blocking rings, which need to be sourced separately.
Key features
- T14 transmission overhaul kit
- Includes front and rear bearings
- Includes gaskets, seals and a small parts kit
- Does not include blocking rings
Planning a T14 rebuild
A T14 overhaul is largely a matter of replacing the parts that wear with use. Bearings carry the shafts and gears, seals keep fluid in place, and gaskets keep the case joints sealed. Before starting, lay out the components, then compare each new bearing and seal with the original to confirm size and orientation.
Blocking rings deserve particular attention. They work with the synchronizer to match gear speeds, so worn or glazed rings can cause grinding or hard shifts even after a rebuild. Inspect the synchronizer hubs and sleeves, and replace them if the teeth are rounded or the fit is loose. Clean every part thoroughly and use the specified lubricant during assembly.
Work on a clean bench and keep the parts in order as they come off, since the gear arrangement matters on reassembly. A professional builder can check preload and gear setup, which is easy to get wrong on a first attempt.
Specifications
| Brand | Crown Automotive |
|---|---|
| Part number | T14BSG |
| Transmission | T14 |
| Included | Front and rear bearings, gaskets, seals, small parts kit |
| Not included | Blocking rings |
| Fitment type | Direct Fit |
Vehicle fitment
Crown Automotive lists 1967–1972 Jeep CJ5 Base and CJ6 Base; 1967–1972 J-2500 and J-2600 Base; 1967–1969 J-2700 Base; 1967–1970 J-3500, J-3600 and J-3700 Base; 1967–1968 J-3800 Base; 1971–1972 J-4500 and J-4600 Base; 1970–1972 J-4700 Base; 1972 J-4800 Base; and 1967–1972 Jeep Wagoneer (SJ) Base.
Not on the list: CJ7 models, Cherokee models and any Jeep model from 1973 onward. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Overhauling a T14 means full disassembly and reassembly of the gearbox, and gear setup and bearing preload are work for a professional transmission builder. Blocking rings must be bought separately.
What’s included
The kit includes front and rear bearings, gaskets, seals and a small parts kit.
Not included: blocking rings.









