1990 Buick Century Gear. Timing. Sprocket. (Left) - 12612839

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Part Number: 12612839 ; 12600459

A toothed wheel that is driven by a Timing chain. Rotates camshaft with crankshaft. Gear that drives the camshaft. Set. Assembly - CM/SHF (Idler,). CRANKSHAFT. Engine Camshaft. Intermediate. Tensioner.

Engine Timing Camshaft GearEngine Timing Sprocket

Diagrams and Kits What This Fits

Assemblies

ENGINE / TRANSAXLE. ENGINE PARTS.

#9

lower. non key type. primary. secondary. short. upper.

Left.
ENGINE / TRANSAXLE. ENGINE PARTS.

#12

primary. secondary.

Left.
ENGINE / TRANSAXLE. ENGINE PARTS.

#9

long. primary. secondary. short.

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

#15

OIL COOLER. OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. CAMSHAFT OIL SEALS; XTS. XTS; AWD. XTS; Exhaust; Left; w/o Turbocharger. XTS; Exhaust; Left; w/Turbocharger. XTS; Exhaust; Right; w/o Turbocharger. XTS; Exhaust; Right; w/Turbocharger. XTS; Front; AWD. XTS; Front; FWD. XTS; Full Set. XTS; FWD. XTS; Intake; Left; w/o Turbocharger. XTS; Intake; Left; w/Turbocharger. XTS; Intake; Right; w/o Turbocharger. XTS; Intake; Right; w/Turbocharger. XTS; Left; w/o Turbocharger. XTS; Left; w/Turbocharger. XTS; Primary Chain; Lower. XTS; Primary Chain; Upper. XTS; Rear; Left; AWD. XTS; Rear; Left; FWD. XTS; Rear; Right; AWD. XTS; Rear; Right; FWD.

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

#14

Oil pan. Oil pump. Variable valve timing. 2 & 4. CTS; 1st Design. CTS; 2nd Design. CTS; Exhaust; Left. CTS; Exhaust; Right. CTS; Intake; Left. CTS; Intake; Right. CTS; Left. Cts; No. 1. Cts; No. 3. CTS; Primary Chain. CTS; Right. CTS; Secondary Chain; Slack Side; Left. CTS; Secondary Chain; Slack Side; Right. CTS; Secondary Chain; Tensioner Side; Left. CTS; Secondary Chain; Tensioner Side; Right. CTS; Secondary; Left. CTS; Secondary; Right.

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

#14

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. #2. #4. CTS; #1. CTS; #3. CTS; Exhaust; Left. CTS; Exhaust; Right. CTS; Intake; Left. CTS; Intake; Right. CTS; Left. CTS; Primary Chain. CTS; Right. CTS; Secondary Chain; Slack Side; Left. CTS; Secondary Chain; Slack Side; Right. CTS; Secondary Chain; Tensioner Side; Left. CTS; Secondary Chain; Tensioner Side; Right. CTS; Secondary; Left. CTS; Secondary; Right.

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

#14

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. ATS; All. ATS; California. ATS; Exhaust; Left. ATS; Exhaust; Right. ATS; Federal. ATS; Intake; Left. ATS; Intake; Right. ATS; Kit. ATS; Left; All. ATS; Left; California. ATS; Left; Federal. ATS; Left; w/o SIDI Engine. ATS; Left; w/SIDI Engine. ATS; Lower. ATS; Main Bearing. ATS; Primary Chain; Lower. ATS; Primary Chain; Upper. ATS; Primary; Left. ATS; Primary; Right. ATS; Right; All. ATS; Right; California. ATS; Right; Federal. ATS; Secondary Chain; Slack Side; Left.

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

#14

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Impala; .25MM OS. Impala; All; w/CNG. Impala; All; w/o CNG. Impala; California. Impala; Exhaust; Left. Impala; Exhaust; Right. Impala; Federal. Impala; Front. Impala; Intake; Left. Impala; Intake; Right. Impala; Left; All; w/CNG. Impala; Left; All; w/o CNG. Impala; Left; California. Impala; Left; Federal. Impala; Main Bearing; Stamped 1. Impala; Primary Chain; w/CNG. Impala; Primary Chain; w/o CNG. Impala; Rear. Impala; Right; All; w/CNG. Impala; Right; All; w/o CNG. Impala; Right; California. Impala; Right; Federal. Impala; Secondary Chain; w/CNG; Slack Side.

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

#14

Oil cooler. Oil pan. Oil pump. Variable valve timing. Impala; California. Impala; Exhaust; Left. Impala; Exhaust; Right. Impala; Federal. Impala; Front. Impala; Intake; Left. Impala; Intake; Right. Impala; Left; All. Impala; Left; California. Impala; Left; Federal. Impala; Main Set; All. Impala; Main Set; Lower. Impala; Main Set; Upper. Impala; Primary Chain. Impala; Rear. Impala; Right; All. Impala; Right; California. Impala; Right; Federal. Impala; Secondary Chain; Slack Side; Left. Impala; Secondary Chain; Slack Side; Right. Impala; Secondary Chain; Tensioner Side; Left. Impala; Secondary Chain; Tensioner Side; Right.

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

#15

Oil pan. Oil pump. Variable valve timing. 2 & 4. STS; All. STS; Exhaust; Left. STS; Exhaust; Right. STS; Intake; Left. STS; Intake; Right. STS; Left. Sts; No. 1. Sts; No. 3. STS; Primary Chain; Lower. STS; Primary Chain; Upper. Sts; Right; 2WD. STS; Right; 6 Speed. Sts; Right; awd. STS; Secondary Chain; Slack Side; Left. STS; Secondary Chain; Slack Side; Right. STS; Secondary Chain; Tensioner Side; Left. STS; Secondary Chain; Tensioner Side; Right. STS; Secondary; Left. STS; Secondary; Right. Sts; W/O awd.

STS; Left.

Fitment/Applications

This product fits 1176 vehicle variants.
Buick: 2 models, 145 variants between 2006 and 2024.
Cadillac: 6 models, 468 variants between 2005 and 2024.
Chevrolet: 9 models, 339 variants between 2008 and 2023.
GMC: 4 models, 187 variants between 2007 and 2017.
Pontiac: 3 models, 10 variants between 2007 and 2009.
Saturn: 3 models, 27 variants between 2007 and 2010.