Availability
BUICK RIVIERA Engine Gaskets & Seals
Head Gasket, MLS, 4.200 in. Bore, .056 in. Compressed Thickness, Oldsmobile, Each
Part Number: CGT-C5809-056
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Head Gasket, MLS, 4.200 in. Bore, .070 in. Compressed Thickness, Oldsmobile, Each
Part Number: CGT-C5809-070
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
.080" MLS HEAD GASKET
Part Number: CGT-C5809-080
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Head Gasket, MLS, 4.200 in. Bore, .081 in. Compressed Thickness, Oldsmobile, Each
Part Number: CGT-C5809-081
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Engine Intake Manifold Gasket Set
Part Number: CGT-C5813-012
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Gaskets, Timing Cover, Fiber, Oldsmobile, V8, Each
Part Number: CGT-C5823-020
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Oil Pan Gasket, AccuSeal E, Rubber Coated Fiber, 14-Bolt Pans, Buick, V6, Each
Part Number: SCE-172091
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
GM:231(3.8L)L Eng.(91-93)
Part Number: MAH-HS5768W
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Bui;Chev:300,340,400,401,425,327,409 Engs.(59-67) C/M
Part Number: MAH-G14553
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Bui;Cad;Chev;Olds;Pont;Can Pont:196,231,252(75-86)
Part Number: MAH-JV906
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
.031"FIBER WATER OUTLET GASKET
Part Number: CGT-C15004-031
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
.060" KF INTAKE GASKET SET
Part Number: CGT-C5216-060
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
1.920" X 1.550" EXH SET
Part Number: CGT-C15330HTG
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
TIMING COVER SET W/ROPE SEAL
Part Number: CGT-C5048
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
HEAD GASKET
Part Number: CGT-C15267-040
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
TIMING COVER GASKET SET
Part Number: CGT-C5050
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
TIMING COVER GASKET SET
Part Number: CGT-C5070
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Engine Intake Manifold Gasket Set
Part Number: CGT-C5143-060
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Engine Water Pump Seal
Part Number: CGT-C5144-031
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Head Gaskets, Composite, 4.030 in. Bore, 0.050 in. Compressed Thickness, Cadillac, Chevrolet, GMC, Jeep, Oldsmobile, Pontiac, V6, Each
Part Number: MAH-5820
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Head Gaskets, Composite, 3.860 in. Bore, 0.070 in. Compressed Thickness, Buick, Chevrolet, Oldsmobile, Pontiac, 3.8L, Each
Part Number: MAH-5935
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Bui:3.3L,3.8L Engs.(88-93)
Part Number: MAH-JV1114
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
GMC-Pass: 231(3.8L) Supercharged Vin 1 (91-95)
Part Number: MAH-MS16354
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Valve Stem Seals, Positive Stop, Rubber, Buick, Chevrolet, Olds, Pontiac, Set of 6
Part Number: MAH-SS45911
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Fuel Injector - TBI Kit / Gasket
Part Number: SMP-2004
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
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