How many quarts of oil does a 1989 6-cylinder Jeep Wrangler YJ hold?
A 1989 Jeep Wrangler YJ with a 6-cylinder engine (the 4.2L straight-6) holds approximately 5 quarts of oil. However, it's always best to check your owner's manual for the precise amount recommended by Jeep. The amount might vary slightly depending on the filter used.