Buy OEM 1990 Gmc Part # 12623514 (12586961). Engine Timing Chain Tensioner. CAMSHAFT and TIMING. CRANKSHAFT and BEARINGS. CYLINDER HEAD and VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS

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.

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.

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.

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.

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.

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.

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.

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. G6 GXP; Auto. G6 GXP; Front. G6 GXP; Rear. G6; 1st Design. G6; 2nd Design. G6; Exhaust; Left. G6; Exhaust; Right. G6; Intake; Left. G6; Intake; Right. G6; Left. G6; No. 1. G6; No. 3. G6; Primary Chain. G6; Right. G6; Secondary Chain; Slack Side; Left. G6; Secondary Chain; Slack Side; Right. G6; Secondary Chain; Tensioner Side; Left. G6; Secondary Chain; Tensioner Side; Right. G6; Secondary; Left. G6; Secondary; Right.

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Rendezvous; Exhaust; Left. Rendezvous; Exhaust; Right. Rendezvous; Intake; Left. Rendezvous; Intake; Right. Rendezvous; Left. Rendezvous; No. 1. Rendezvous; No. 3. Rendezvous; Primary Chain. Rendezvous; Primary; Left. Rendezvous; Primary; Right. Rendezvous; Right. Rendezvous; Secondary Chain; Slack Side; Left. Rendezvous; Secondary Chain; Slack Side; Right. Rendezvous; Secondary Chain; Tensioner Side; Left. Rendezvous; Secondary Chain; Tensioner Side; Right. Rendezvous; w/AWD. Rendezvous; w/o AWD.

Oil pan. Oil pump. Variable valve timing. SRX; 1st Design. SRX; 2nd Design. Srx; awd. SRX; Exhaust; Left. SRX; Exhaust; Right. SRX; Intake; Left. SRX; Intake; Right. SRX; Left. Srx; No. 1. Srx; No. 3. SRX; Primary Chain. Srx; Right; awd. Srx; Right; rwd. Srx; rwd. SRX; Secondary Chain; Slack Side; Left. SRX; Secondary Chain; Slack Side; Right. SRX; Secondary Chain; Tensioner Side; Left. SRX; Secondary Chain; Tensioner Side; Right. SRX; Secondary; Left. SRX; Secondary; Right.