NP435 X JEEP DANA 18/20-6 SPL

Advance Adapter

The Ford NP435 4 speed adapter to the Jeep Dana 18/20 transfer case is 3.325″ in length. The adapter material is 356 T-6 heat treated aluminum alloy and has a provision for our heavy duty transmission mount. Our adapter kit will include a adapter housing, new NP435 output shaft, gaskets, fastening hardware and adapter instructions.

Note: Adapter housing to NP435 bolt pattern is dual drilled to fit both 2wd & 4wd transmission cases.

Transfer Case

This adapter assembly will fit any Dana Spicer 18 / 20, Scout version with a 6 tooth female drive gear. The transfer case index to the new adapter will require an index retainer & sealed bearing. Please I.D. the transfer case bore size (3-1/8″) small hole or (4″) large hole for proper retainer. Additional information can be obtained in our on-line catalog, Jeep & Scout Vehicle Section: Transfer Case Information, Jeeps 1941-79.

Transmission

The kit is designed for exclusive use with the Ford NP435. The Ford version NP435 was used from 1964 until 1985, and was used in 4wd & 2wd trucks. This 4 speed has a cast iron case and aluminum top cover. The case length is 10.187″. 2nd through 4th gears are synchronized with 1st and reverse gears non- synchronized.

Bill Of Materials

• FORD NP435 4SP ADAPTER CASTING / 51-7510
• ADAPTER- D18/20 TO NEW PROCESS / 51-7700
• SHAFT- NP435 TO D300 23T / 52-3800
• SHAFT- JEEP T5 TO D18/20 23T / 52-8600
• GASKET (NP435)(T18) / 716512
• GASKET-N.P.208 TRANSFER CASE / 716517
• T.C. GASKET/JEEP or TOY L/C / 716568
• SEAL- JEEP TO TH350/400 KITS / 716711
• LOCK WASHER 3/8 ZINC / 723704
• H.H.C.S. 3/8 -16 X 1-1/4 (GR5) zinc / 723722
• H.H.C.S. 3/8 -16 X 1-1/2 gr. 5 zinc / 723723
• BOLT 3/8 -16 X 1.00″ SHCS ZINC / 723731
• HEX NUT 1/2 -13 PLATED / 725004
• STUD BOLT 1/2 -13 x 2 / 725040
• NUT-NYLON LOCK 7/8 -16 / 728701