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Severe weather across the country may cause temporary shipping delays. We’re working closely with carriers to get your order to you as quickly as possible.

Rocker Arms & Parts for 2026 Buick Envista

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2026 Buick Envista

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Camshaft Gear

Part Number: 12721405
GM GM
Other Names: F (S)Gear
Replaces: 12642320, 12686788, 12691939, 12700551
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
Fits:
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
MSRP $270.23
$169.04

Front Cover

Part Number: 12698371
GM GM
Other Names: Water Pump, Engine Timing Cover, Cover
Replaces: 12626079, 12635609, 12638436, 12639157, 12643744, 12668891, 12684188
Fits:
  • Buick:
    • Enclave,
    • LaCrosse
  • Cadillac:
    • ATS,
    • CTS,
    • SRX,
    • XTS
  • Chevrolet:
    • Camaro,
    • Caprice,
    • Captiva Sport,
    • Colorado,
    • Equinox,
    • Impala,
    • Impala Limited,
    • Malibu,
    • Traverse,
    • Traverse Limited
  • GMC:
    • Acadia,
    • Acadia Limited,
    • Canyon,
    • Terrain
  • Saturn:
    • Outlook,
    • Vue
MSRP $571.56
$356.74

Engine Balance Shaft Chain

Part Number: 12635427
GM GM
Other Names: Chain
Replaces: 12645237, 90537370
Fits:
  • Buick:
    • LaCrosse,
    • Regal,
    • Verano
  • Chevrolet:
    • Captiva Sport,
    • Cavalier,
    • Classic,
    • Cobalt,
    • Equinox,
    • HHR,
    • Impala,
    • Malibu
  • GMC:
    • Terrain
  • Oldsmobile:
    • Alero
  • Pontiac:
    • G5,
    • G6,
    • Grand Am,
    • Solstice,
    • Sunfire
  • Saturn:
    • Aura,
    • Ion,
    • L100,
    • L200,
    • L300,
    • LS,
    • LS1,
    • LW1,
    • LW200,
    • Sky,
    • Vue
MSRP $51.04
$33.89

Chain Guide

Part Number: 12713647
GM GM
Other Names: Guide
Replaces: 12647885
Fits:
  • Buick:
    • LaCrosse
  • Cadillac:
    • ATS,
    • CT5,
    • CT6,
    • XT5,
    • XT6
  • Chevrolet:
    • Camaro,
    • Colorado
  • GMC:
    • Canyon
MSRP $35.01
$23.25

Engine Timing Chain Tensioner

Part Number: 12713642
GM GM
Other Names: Tensioner
Replaces: 12647889, 12673240, 12674627
Description: Crank To Cam. Adjuster. Acadia. Main chain. Left. Camaro. Regal Sportback.
Fits:
  • Buick:
    • LaCrosse,
    • Regal Sportback
  • Cadillac:
    • ATS,
    • CT5,
    • CT6,
    • CTS,
    • XT5,
    • XT6
  • Chevrolet:
    • Blazer,
    • Camaro,
    • Colorado
  • GMC:
    • Acadia,
    • Canyon
MSRP $70.71
$46.95

Engine Timing Camshaft Sprocket - Driver's Side (LH)

Part Number: 12684806
GM GM
Other Names: Engine Timing Camshaft Sprocket
Replaces: 12647902
Description: Canyon, Colorado. Regal Sportback. LaCrosse. Acadia. Camaro. CT6. CTS. ATS. XT5. Left. Exhaust. Without vsport. Driver's Side (LH).
Fits:
  • Buick:
    • LaCrosse,
    • Regal Sportback
  • Cadillac:
    • ATS,
    • CT5,
    • CT6,
    • CTS,
    • XT5,
    • XT6
  • Chevrolet:
    • Blazer,
    • Camaro,
    • Colorado
  • GMC:
    • Acadia,
    • Canyon
MSRP $205.24
$128.40

Passenger Side Camshaft Phaser

Part Number: 12684830
GM GM
Other Names: Actuator
Replaces: 12603745, 12626160, 12630916, 12648422, 12665855, 12672483
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
  • Buick:
    • Enclave,
    • LaCrosse
  • Cadillac:
    • ATS,
    • CT4,
    • CTS,
    • SRX,
    • STS,
    • XTS
  • Chevrolet:
    • Camaro,
    • Caprice,
    • Captiva Sport,
    • Colorado,
    • Equinox,
    • Impala,
    • Impala Limited,
    • Malibu,
    • Traverse,
    • Traverse Limited
  • GMC:
    • Acadia,
    • Acadia Limited,
    • Canyon,
    • Terrain
  • Pontiac:
    • G6,
    • G8,
    • Torrent
  • Saturn:
    • Aura,
    • Outlook,
    • Vue
MSRP $182.51
$114.17

Engine Timing Set

Part Number: 12700434
GM GM
Other Names: Chain Pkg
Replaces: 12650230, 12679115, 12693220
Description: Crankshaft Sprocket Stamped 12599721.
Fits:
  • Cadillac:
    • CTS
MSRP $629.21
$392.71

Timing Chain Tensioner Kit with Bolt and Gasket

Part Number: 12636527
GM GM
Other Names: Tensioner
Replaces: 12656081
Description: Equinox, Terrain. Malibu. 1.5l. Cruze. Spark. Encore. Volt. Provides consistent tension to help keep engine running in proper time
Fits:
  • Buick:
    • Encore
  • Chevrolet:
    • Cruze,
    • Equinox,
    • Malibu,
    • Spark,
    • Trax,
    • Volt
  • GMC:
    • Terrain
MSRP $83.99
$55.79

Camshaft Phaser

Part Number: 12662599
GM GM
Other Names: Engine Timing Camshaft Sprocket
Replaces: 12657164
Description: Corvette. With z06. CTS-v. Helps ensure optimal camshaft positioning Works alongside your vehicle's VVT solenoid to help maximize drive...
Fits:
  • Cadillac:
    • CTS
  • Chevrolet:
    • Camaro,
    • Corvette
MSRP $264.44
$165.43

Oil Pump

Part Number: 12686433
GM GM
Other Names: Oil Pump
Replaces: 12657346, 12659938, 12661206, 12661761, 12665356, 12666737, 12673984, 12677143
Description: Tahoe, Yukon, Escalade. Sierra, silverado. Escalade ESV. Express, savana. 6l90 trans. Suburban. Yukon XL. This GM Genuine Part is...
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Express 2500,
    • Express 3500,
    • Silverado 1500,
    • Silverado 1500 LD,
    • Suburban,
    • Tahoe
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 Limited,
    • Yukon,
    • Yukon XL
MSRP $226.18
$141.49

Engine Timing Camshaft Sprocket - Passenger Side (RH)

Part Number: 12684805
GM GM
Other Names: Engine Timing Camshaft Sprocket
Replaces: 12661007
Description: Canyon, Colorado. Regal Sportback. LaCrosse. Acadia. Camaro. CT6. CTS. ATS. XT5. Right. Exhaust. Without vsport. Passenger Side (RH).
Fits:
  • Buick:
    • LaCrosse,
    • Regal Sportback
  • Cadillac:
    • ATS,
    • CT5,
    • CT6,
    • CTS,
    • XT5,
    • XT6
  • Chevrolet:
    • Blazer,
    • Camaro,
    • Colorado
  • GMC:
    • Acadia,
    • Canyon
MSRP $205.24
$128.40

Oil Pump

Part Number: 12686434
GM GM
Other Names: Pump
Replaces: 12658377, 12659936, 12661207, 12661760, 12665357, 12666738, 12673985, 12677142
Description: Camaro. Corvette. Without z06. Without dry sump system. CTS-v.
Fits:
  • Cadillac:
    • CTS
  • Chevrolet:
    • Camaro,
    • Corvette
MSRP $280.60
$175.53

Engine Front Cover with Crankshaft Front Oil Seal

Part Number: 25203060
GM GM
Other Names: Front Cover
Replaces: 12662949, 12689946, 25201370, 25202735
Description: 2.5L. 2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
  • Buick:
    • Regal Sportback,
    • Regal TourX
  • Chevrolet:
    • Blazer,
    • Equinox,
    • Malibu,
    • Traverse
  • GMC:
    • Acadia,
    • Terrain
MSRP $157.10
$100.74

Front Cover

Part Number: 12731560
GM GM
Other Names: Cover
Replaces: 12663262, 12707674, 12716029
Description: Silverado, sierra. Lower. Colorado. CT4. Canyon.
Fits:
  • Cadillac:
    • CT4
  • Chevrolet:
    • Colorado,
    • Silverado 1500
  • GMC:
    • Canyon,
    • Sierra 1500
MSRP $58.32
$38.72

Control Valve

Part Number: 12736876
GM GM
Other Names: Solenoid, Valve
Replaces: 12663269, 12706091
Description: Silverado, sierra. Colorado. CT4. Canyon.
Fits:
  • Cadillac:
    • CT4
  • Chevrolet:
    • Colorado,
    • Silverado 1500
  • GMC:
    • Canyon,
    • Sierra 1500
MSRP $32.30
$21.45

Chain Guide

Part Number: 12713648
GM GM
Other Names: Guide
Replaces: 12665677
Fits:
  • Buick:
    • LaCrosse,
    • Regal Sportback
  • Cadillac:
    • ATS,
    • CT5,
    • CT6,
    • CTS,
    • XT5,
    • XT6
  • Chevrolet:
    • Camaro,
    • Colorado
  • GMC:
    • Canyon
MSRP $130.55
$83.72

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