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Description

The AX15-19A is a synchronizer sleeve kit specifically designed for the Jeep AX15 5-speed manual transmission, serving the 1st and 2nd gear positions. It plays a crucial role in ensuring smooth and precise gear engagement, particularly during low-speed shifting. This component is commonly found in early Jeep Wrangler, Cherokee (XJ), and Comanche (MJ) models equipped with the AX15 gearbox, and it is also compatible with Toyota Aisin R-series transmissions such as R150, R151, and R154.

Manufactured from high-strength alloy steel and treated with precision heat treatment processes, the AX15-19A offers excellent wear resistance and fatigue durability. Its gear tooth profile and synchronizer cone angle are accurately matched to reduce friction and wear between mating components. This significantly improves shift quality and helps eliminate hard engagement or gear clash when shifting into 1st or 2nd gear.

Specification

Material : SAE8620 or SAE 4320H

Heat Treatment : Carburized and quenched for wear resistance

Tooth Count : 37T external / 39-6T internal (hub spline + synchronizer engagement teeth)

Weight : Approx. 250–300 grams

Compatible Vehicles :

• Jeep Wrangler YJ – 1989 to 1995 (4.0L I6 engine models)

• Jeep Wrangler TJ – 1997 to 1999 (early models with AX15)

• Jeep Cherokee XJ – 1989 to 1999 (primarily 4.0L models)

• Jeep Comanche MJ – 1989 to 1992

• Jeep Grand Cherokee ZJ – 1993 to 1994 (manual transmission variants)

• Toyota Supra MK3 (A70) – 1986 to 1992 (with R154 transmission)

• Toyota Soarer (Z20/Z30) – Late 1980s to early 1990s (1JZ-GTE + R154)

• Toyota Cressida / Chaser / Cresta (X80–X90) – 1989 to 1996 (manual variants with R154)

• Toyota Hilux / 4Runner – 1986 to 1995 (R150 or R151 transmission)

• Toyota Land Cruiser Prado (70 / 90 series) – 1990s models with R151F 5-speed manual