JEEP T18 X JEEP DANA 300-23SPL

Advance Adapter

The Jeep T-18 adapter to the Jeep Dana 300 is 3.250″ in length. Adapter material is a strong 356-T6 heat treated aluminum alloy and the adapter has a provision for a transmission mount. The adapter kit includes a adapter housing, new T-18 output shaft, gaskets, seal, fastening hardware and adapter instructions.

Note: This adapter kit can also be used with the Jeep NP231. The NP231 must have a 23 spline input shaft with a stickout measurement of 1.19″

Transfer Case

1980-86 Jeep Dana 300. All 300s use a 23 spline input. Some of the adapters we manufacture include a new Dana 300 input with a different input spline. Therefore, if you obtain a Dana 300 from a salvage yard, please verify the input spline.

The adapter assembly will fit the Jeep NP231 transfer case with a 23 spline input shaft. This input shaft protrudes from the face of the transfer case 1.19″.Introduced in 1988, the Jeep NP231 is a part-time transfer case. It became the stock T/C for XJ, YJ and TJ models. It was also used in six cylinder ZJ models through 1995. Chain driven with a 2.72:1 low range, it’s reliable even with more than stock horsepower applied.

Transmission

This adapter kit is designed for exclusive use with the Jeep T18

Bill Of Materials

• S.H.C.S. 3/8 -16 X 2-1/4 / 723728
• H.H.C.S. 3/8 -16 X 1-1/2 gr. 5 zinc / 723723
• WASHER 3/8 SAE FLAT PLT / 723735
• 7/16 -14 X 1-1/4 H.H.C.S. gr. 5 zinc / 724328
• GASKET-N.P.208 TRANSFER CASE / 716517
• SEAL- 472319 / 716722
• SNAP RING/JEEP / 716452
• JEEP T18 4SP TO DANA 300 / 51-7502
• SHAFT- T18 MAIN TO D300 23SP / 52-7503