GM SM465 2WD/JEEP 23T NP231 TC

Advance Adapter

This adapter kit will allow you to adapt the GM SM465 2WD, 4 speed transmission to the Jeep NP231 transfer case. The adapter is 5.25 in length and is made from strong 356 T-6 heat treated aluminum alloy. The adapter kit includes a adapter housing, new spud shaft, gaskets, seal, fastening hardware, and adapter instructions.

Transfer Case

The adapter assembly fits the NP231 23 spline transfer case & NP231 21spline with the addition of PN716054. This adapter assembly is designed for exclusive use with the 2WD, GM SM465 4 speed manual with a 35 spline output shaft. This top loaded heavy-duty transmission has a cast iron case, and is 12″ in length. It was used in GM trucks from 1968 to 1988. The SM465 was used in both 2wd & 4wd applications with 3 various output shaft spline counts of 10, 32, & 35 splines.

Bill Of Materials

• LOCK WASHER 3/8 ZINC / 723704
• NUT 3/8 -16 PLATED GRD 5 / 723701
• SEAL CR#19466 / 716729
• H.H.C.S. 3/8 -16 X 2 PLATE GR 5 / 723725
• H.H.C.S. 3/8 -16 X 1-1/2 gr. 5 zinc / 723723
• STUD BOLT 3/8 -16 X 2 LG B7 / 723711
• SHAFT- SM465 35T TO D300 23T SHORT / 52-9807
• ADAPTER- SM465 TO NP231 / 51-9808
• GASKET-N.P.208 TRANSFER CASE / 716517
• GASKET-SM465 / 716515
• CLAMP COLLAR- 1-1/2 2PC / 716457