Recommended Engine Oils
High mileage (>150 000 km)
Priority to 40-viscosity oils for enhanced protection of worn components
Recommended Additives & Treatments
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Select year of manufacture Jeep Wrangler I (YJ) 4.0 i (184 hp)
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1987
Jeep Wrangler I (YJ) 4.0 i (184 hp)1988
Jeep Wrangler I (YJ) 4.0 i (184 hp)1989
Jeep Wrangler I (YJ) 4.0 i (184 hp)1990
Jeep Wrangler I (YJ) 4.0 i (184 hp)1991
Jeep Wrangler I (YJ) 4.0 i (184 hp)1992
Jeep Wrangler I (YJ) 4.0 i (184 hp)1993
Jeep Wrangler I (YJ) 4.0 i (184 hp)1994
Jeep Wrangler I (YJ) 4.0 i (184 hp)1995
Jeep Wrangler I (YJ) 4.0 i (184 hp)