Availability
1990 OMIX-ADA Parts and Accessories
Piston, Flat Top, 3.885 in. Bore, Cast Aluminum, Jeep, 2.5L, 4.0L, Each
Part Number: OMX-1742711
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Piston Rings, 3.885 in. Bore, L6, Set
Part Number: OMX-1743025
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
OIL FILTER 4/ 6CYLINDER 87-90
Part Number: OMX-1743607
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Engine Gaskets, Overhaul, Top-end, Jeep, 4.0L, Kit
Part Number: OMX-1744108
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Engine Gaskets, Overhaul, Bottom-end, Jeep, 2.5L, Kit
Part Number: OMX-1744202
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Ring Gear Bolt, Hex Head, Steel, Black Oxide, 0.375 in. UHL, Dana 30, Dana 35, Dana 44, Each
Part Number: OMX-1652201
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Thermostat Housing, Cast Iron, Natural, Jeep, Each
Part Number: OMX-1711802
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
RING GEAR
Part Number: OMX-1691103
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Hose Kits, Cooling System: upr & lwr radiator hoses w/ clamps, thermostat w/ housing Jeep 87-90 YJ, 2.5L
Part Number: OMX-1711823
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
BEARING PILOT 83-99
Part Number: OMX-1691003
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Throttle Position Sensor, Replacement, Jeep, Each
Part Number: OMX-1722407
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
VALVE INTAKE 2.5L 4.0L STANDARD, Each
Part Number: OMX-1741703
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Stock Replacement, Jeep, 4.0L, Each
Part Number: OMX-1742109
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Valve Stem Seals, Intake, Positive Stop, Rubber, Jeep, Each
Part Number: OMX-1744303
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
INTAKE VALVE GUIDE SEAL 84-02
Part Number: OMX-1744310
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
GASKET HEAD 2.5L 83-02
Part Number: OMX-1744603
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
GASKET HEAD 4.0L 87-96
Part Number: OMX-1744605
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Gasket, Exhaust Manifold, Stock Port, Steel, Jeep, AMC, Set
Part Number: OMX-1745110
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
TIMING CHAIN 2.5L
Part Number: OMX-1745302
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
TENSIONER TIMING CHAIN
Part Number: OMX-1745303
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
TIMING CHAIN 4.0L
Part Number: OMX-1745309
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CAMSHAFT GEAR 2.5L 83-01
Part Number: OMX-1745403
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CRANKSHAFT GEAR 2.5L 83-02
Part Number: OMX-1745503
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CRANKSHAFT GEAR 6 CYLINDER 68-90
Part Number: OMX-1745507
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
COVER TIMING 2.5L WITH GASKET
Part Number: OMX-1745706
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
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