2025 Buick Envista Engine Parts

This table covers the camshafts that open the valves. Read more

2 Camshaft parts for the 2025 Buick Envista come from GM GENUINE.

Listed part numbers: GM GENUINE 25205337 and GM GENUINE 25205338.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

GM GENUINE supplies the 5 Crankshaft Main Bearing parts for the 2025 Buick Envista.

This group includes GM GENUINE 55497814, GM GENUINE 55497815 and GM GENUINE 55497816 and the remaining parts above.

This table covers the Crankshaft Main Bearing Cap bolts. Read more

This group shows a single part: GM GENUINE 55487412.

This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 12693989.

This table covers the Crankshaft Seal covers. Read more

This group shows a single part: GM GENUINE 55514589.

This table covers the cylinder heads that close the top of the block. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 25204903.

This table covers the bolts that clamp the cylinder head to the block. Read more

This group shows a single part: GM GENUINE 11547739.

This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: GM GENUINE 25207792.

This table covers the Cylinder Head plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 09427693.

This table covers the Engine covers. Read more

2 Engine Cover parts for the 2025 Buick Envista come from 2 brands — TECHPRO and VARIOUS MFR.

Listed part numbers: TECHPRO GM1228198, plus the other parts above.

This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

One part is listed for the 2025 Buick Envista — QUALCAST 1030853.

This table covers the followers that drive a mechanical fuel pump off the camshaft. Read more

This group shows a single part: GM GENUINE 12718357.

This table covers the Harmonic Balancer bolts. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 25194208.

This table covers the Intake manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 25204837.

This table covers the Intake Manifold bolts. Read more

This group shows a single part: GM GENUINE 11548171.

This table covers the Intake Manifold covers. Read more

2 Intake Manifold Cover parts for the 2025 Buick Envista come from GM GENUINE.

This group includes GM GENUINE 25206459 and GM GENUINE 55512306.

This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: ACDELCO 55486276.

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

One part is listed for the 2025 Buick Envista — QUALCAST 1030854.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

4 Motor Mount parts are listed for the 2025 Buick Envista, from ANCHOR, DEA / MARMON RIDE CONTROL and GM GENUINE.

This group includes ANCHOR 3599, ANCHOR 3609 and DEA / MARMON RIDE CONTROL A20126 and the remaining parts above.

This table covers the Motor Mount bolts. Read more

This group shows a single part: GM GENUINE 11547918.

This table covers the Motor Mount Bracket bolts. Read more

This group shows a single part: GM GENUINE 11546406.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

17 Oil parts are listed for the 2025 Buick Envista, from MOBIL, LIQUI MOLY, VALVOLINE and 3 other brands. ACDELCO 109302 carries the "Popular" badge.

In the Full Synthetic grade, LIQUI MOLY, MOBIL, VALVOLINE and 3 other brands supply 15 parts: full-synthetic oils. A representative part number is ACDELCO 109302.

The High Mileage (>75,000 Miles) section lists 2 options from MOBIL — oils grouped for high-mileage engines. MOBIL 122535 is listed in this group.

This table covers the heat exchangers that cool engine oil. Typical signs include oil at the cooler fittings, or coolant that looks like a milkshake. Pressure-test both circuits after a cooler swap — a leak here mixes oil and coolant. Read more

One part is listed for the 2025 Buick Envista — ACDELCO 55505451.

This table covers the gaskets that seal the Oil Cooler. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: GM GENUINE 55505453.

This table covers the seals at the Oil Dipstick / Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

This group shows a single part: GM GENUINE 24504031.

This table covers the drain plugs in the oil pan. Read more

3 Oil Drain Plug parts are listed for the 2025 Buick Envista, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 090948CD, DORMAN 090948 and GM GENUINE 55577568.

This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: GM GENUINE 12616850.

This table covers the caps on the oil filler neck. Read more

ACDELCO supplies both parts for the 2025 Buick Envista.

This group includes ACDELCO FC275 and ACDELCO FC268.

This table covers the gaskets that seal the Oil Filler Cap. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: GM GENUINE 24100002.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

12 Oil Filter parts are listed for the 2025 Buick Envista, from FVP, WIX, ACDELCO and 6 other brands. WIX WL10290XP carries the "Popular" badge.

In the Economy grade, CHAMP / LUBER-FINER, FRAM, FVP and 2 other brands supply 5 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER PH10064.

In the High Performance / Heavy Duty grade, WIX and MOBIL supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is WIX WL10290XP.

The Standard Replacement section lists 5 options from ACDELCO, WIX, FVP and 1 other brand — built to original-equipment specification. ACDELCO PF64 is listed in this group.

This table covers the oil pans that hold the engine's oil sump. Read more

This group shows a single part: GM GENUINE 25204203.

This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

GM GENUINE supplies both parts for the 2025 Buick Envista.

Listed part numbers: GM GENUINE 55504437 and GM GENUINE 55504438.

This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 55503981.

This table covers the Oil Pump bolts. Read more

This group shows a single part: GM GENUINE 11548167.

This table covers the Oil Pump Control Valve solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

This group shows a single part: ACDELCO 55595870.

This table covers the seals at the Oil Pump Control Valve / Solenoid. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 55502517.

This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo. Read more

This group shows a single part: GM GENUINE 12710889.

This table covers the Piston Pin retainers. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 12639680.

This table covers the rings that seal each piston to the cylinder wall. Read more

This group shows a single part: GM GENUINE 55507069.

This table covers the rocker arms that transfer cam motion to the valves. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 55569172.

This table covers the Timing belts. Typical signs include squeal on cold start, cracked ribs, or glazing. Spin the tensioner and idlers by hand while the belt is off. Read more

This group shows a single part: GM GENUINE 55489417.

This table covers the Timing Belt pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 25204526.

This table covers the Timing Belt tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 25205813.

This table covers the Timing Cam sprockets. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 25208644.

This table covers the Timing covers. Read more

This group shows a single part: GM GENUINE 55487381.

This table covers the Timing Cover bolts. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 11548002.

This table covers the crankshaft sprockets that drive the timing chain or belt. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 55512181.

This table covers the Torque Strut mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

This group shows a single part: ANCHOR 3552.

This table covers the turbochargers that compress intake air. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 25207819.

This table covers the Turbocharger Boost sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

This group shows a single part: GM GENUINE 12694431.

This table covers the Turbocharger Coolant lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

GM GENUINE supplies both parts for the 2025 Buick Envista.

Part numbers include GM GENUINE 25204920 and GM GENUINE 55509610.

This table covers the Turbocharger Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

This group shows a single part: GM GENUINE 55494843.

This table covers the fasteners that mount the turbocharger. Read more

This group shows a single part: GM GENUINE 11549028.

This table covers the Turbocharger Oil lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

GM GENUINE supplies both parts for the 2025 Buick Envista.

Part numbers include GM GENUINE 55495320 and GM GENUINE 55497458.

This table covers the Turbocharger Oil Line Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

GM GENUINE supplies both parts for the 2025 Buick Envista.

This group includes GM GENUINE 55487539 and GM GENUINE 55514397.

This table covers the Turbocharger Wastegate hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 55498489.

This table covers the Turbocharger Wastegate Solenoid actuators. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 55599331.

This table covers the Valve covers. Read more

This group shows a single part: GM GENUINE 55514967.

This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 55487546.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

One part is listed for the 2025 Buick Envista — GM GENUINE 12663277.

This table covers the Valve Spring retainers. Read more

This group shows a single part: MELLING VSR722.

This table covers the keepers that lock each valve-spring retainer to the stem. Read more

3 Valve Spring Retainer Keeper parts for the 2025 Buick Envista come from 3 brands — GM GENUINE, MELLING and SBI.

This group includes GM GENUINE 90529533, MELLING VL1131 and SBI 1211131.

This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

2 Variable Valve Timing (VVT) Solenoid / Actuator parts are listed for the 2025 Buick Envista, from GM GENUINE and STANDARD MOTOR PRODUCTS.

Part numbers include GM GENUINE 55595279 and STANDARD MOTOR PRODUCTS VVT808.

This table covers the seals at the Variable Valve Timing (VVT) Solenoid Gasket. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

This group shows a single part: GM GENUINE 55499462.