1987 Buick Century Engine Valve Spring - 12691120

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Part Number: 12691120 ; 12678635

Engine Valve Spring. Spring - Valve. Valve SpringS.
Engine Valve Spring.

Engine Valve Spring

Camaro; w/o Supercharger. Camaro; w/Supercharger; Labeled 12691120. Corvette. CT5. CTS-V. Escalade. Escalade ESV. Sierra, Silverado; 6.2L. Silverado, Sierra. Suburban. Suburban; 6.2L. Tahoe. Tahoe; 6.2L. Yukon. Yukon XL. Yukon XL; 6.2L. Yukon; 6.2L.

Diagrams and Kits What This Fits

Assemblies

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

#8

Oil pan. Oil pump. Variable valve timing. Sierra.

Sierra. Silverado; 6.2L.
CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

#8

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Corvette; AFM Active. Corvette; Crankshaft; w/o Z06; w/Dry Sump System. Corvette; Crankshaft; w/o Z06; w/o Dry Sump System. Corvette; Crankshaft; w/Z06. Corvette; Exhaust. Corvette; Intake. Corvette; Left. Corvette; Non-AFM. Corvette; Right; w/o Z06. Corvette; Right; w/Z06. Corvette; w/o Supercharged (LT1); w/Dry Sump System. Corvette; w/o Supercharged (LT1); w/o Dry Sump System. Corvette; w/o Z06; Left. Corvette; w/o Z06; No. 1. Corvette; w/o Z06; No. 3. Corvette; w/o Z06; Right. Corvette; w/o Z06; w/Dry Sump Sys; w/Dowel Pin. Corvette; w/o Z06; w/Dry Sump Sys; w/o Dowel Pin. Corvette; w/o Z06; w/Dry Sump System. Corvette; w/o Z06; w/o Dry Sump System. Corvette; w/Supercharged (LT4). Corvette; w/Z06; Left. Corvette; w/Z06; Right.

Corvette.
CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

#8

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Escalade; 0.5mm Oversized. Escalade; 2WD. Escalade; 4WD; 10 Speed Trans. Escalade; 4WD; 6 Speed Trans. Escalade; 4WD; 8 Speed Trans. Escalade; Active Fuel Management. Escalade; Bearing Kit (All). Escalade; Exhaust. Escalade; Intake. Escalade; Left; 0.5mm Oversized. Escalade; Left; Standard. Escalade; Lower. Escalade; No. 1. Escalade; No. 3. Escalade; Non-Active Fuel Management. Escalade; Right; 0.5mm Oversized. Escalade; Right; Standard. Escalade; Standard. Escalade; Upper. Tahoe; 5.3L; 0.5mm Oversized. Tahoe; 5.3L; 2WD. Tahoe; 5.3L; 4WD. Tahoe; 5.3L; Left; 0.5mm Oversized.

Escalade. Tahoe; 6.2L. Yukon; 6.2L.
CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

#8

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Escalade ESV; Active Fuel Management. Escalade ESV; Bearing Kit. Escalade ESV; Exhaust. Escalade ESV; Intake. Escalade ESV; Left. Escalade ESV; Lower. Escalade ESV; Non-Active Fuel Management. Escalade ESV; Right. Escalade ESV; Upper. Suburban; 5.3L; 2WD. Suburban; 5.3L; 4WD. Suburban; 5.3L; Left. Suburban; 5.3L; No. 1. Suburban; 5.3L; No. 3 (Thrust Bearing). Suburban; 5.3L; Right. Suburban; 6.2L; Bearing Kit. Suburban; 6.2L; Left. Suburban; 6.2L; Right. Suburban; Active Fuel Management. Suburban; Exhaust. Suburban; Intake. Suburban; Left. Suburban; Lower.

Escalade ESV. Suburban; 6.2L. Yukon XL; 6.2L.
Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings.

#8

Oil cooler. Oil pan. Oil pump. Variable valve timing. Camaro; Coolant Line; Inlet. Camaro; Exhaust. Camaro; Intake. Camaro; Left. Camaro; No. 1-5. Camaro; Right. Camaro; w/Active Fuel Management. Camaro; w/o Active Fuel Management. Camaro; w/o Supercharger; .5MM Oversize. Camaro; w/o Supercharger; 10 Speed Auto Trans. Camaro; w/o Supercharger; Auto Trans. Camaro; w/o Supercharger; Labeled 12629512. Camaro; w/o Supercharger; Left; .5MM Oversize. Camaro; w/o Supercharger; Left; Standard Size. Camaro; w/o Supercharger; Manual Trans. Camaro; w/o Supercharger; Right; .5MM Oversize. Camaro; w/o Supercharger; Right; Standard Size. Camaro; w/o Supercharger; Standard Size. Camaro; w/Supercharger; .25MM Oversize. Camaro; w/Supercharger; .5MM Oversize. Camaro; w/Supercharger; Auto Trans. Camaro; w/Supercharger; Forged Rod.

Camaro; w/o Supercharger. Camaro; w/Supercharger; Labeled 12691120.
CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

#8

OIL COOLER. OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. CTS-V; Crankshaft. CTS-V; Exhaust. CTS-V; Inlet. CTS-V; Intake. CTS-V; Left. CTS-V; Right. CTS-V; w/Active Fuel Management. CTS-V; w/o Active Fuel Management.

CTS-V.
CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

#8

Oil cooler. Oil pan. Oil pump. Variable valve timing. Sierra; 5MM Oversize; Left. Sierra; 5MM Oversize; Right. Sierra; Active. Sierra; Exhaust. Sierra; Intake. Sierra; Left. Sierra; Non-Active. Sierra; Right. Sierra; Standard Size; Left. Sierra; Standard Size; Right.

Sierra. Silverado.
CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

#8

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Corvette; Crankshaft. Corvette; Exhaust. Corvette; Intake. Corvette; Left. Corvette; Right. Corvette; w/Dowel Pin. Corvette; w/o Dowel Pin.

Corvette.
Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings.

#12

Oil cooler. Oil pan. Oil pump. Variable valve timing. COOLANT; Corvette; Feed. COOLANT; Corvette; Return. Corvette; Active. Corvette; Exhaust. Corvette; Front/Deflector. Corvette; High Pressure Port. Corvette; Intake. Corvette; Left. Corvette; Liquid Sealant. Corvette; Lower Pump. Corvette; Non-Active. Corvette; O-ring Seal. Corvette; O/S 0.5mm; Left. Corvette; O/S 0.5mm; Right. Corvette; Right. Corvette; Standard; Left. Corvette; Standard; Right. Corvette; Upper Pump.

Corvette.
Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings.

#8

Oil cooler. Oil pan. Oil pump. Variable valve timing. Escalade ESV; 2WD; From 10/10/22. Escalade ESV; 2WD; To 10/10/22. Escalade ESV; 4WD. Escalade ESV; 5mm Oversize; Left. Escalade ESV; 5mm Oversize; Right. Escalade ESV; Exhaust. Escalade ESV; Intake. Escalade ESV; Left. Escalade ESV; Right; 2WD. Escalade ESV; Right; 4WD. Escalade ESV; Right; All. Escalade ESV; Standard Size; Left. Escalade ESV; Standard Size; Right. Escalade; 2WD; From 10/10/22. Escalade; 2WD; To 10/10/22. Escalade; 4WD. Escalade; 5mm Oversize; Left. Escalade; 5mm Oversize; Right. Escalade; Exhaust. Escalade; Intake. Escalade; Left. Escalade; Right; 2WD.

Escalade ESV. Escalade.

Fitment/Applications

This product fits 779 vehicle variants.
Cadillac: 4 models, 284 variants between 2015 and 2024.
Chevrolet: 5 models, 326 variants between 2014 and 2024.
GMC: 4 models, 169 variants between 2014 and 2024.