1990 Buick Century Engine Parts

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

2 Camshaft parts for the 1990 Buick Century come from 2 brands — ENGINETECH and MELLING.

This group includes ENGINETECH ES1507 and MELLING MC1269.

This table covers the Camshaft bearings. 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

6 Camshaft Bearing parts for the 1990 Buick Century come from 5 brands — ENGINETECH, MAHLE / CLEVITE, DURA-BOND and 2 other brands. The "Popular" part is ENGINETECH CC402.

Listed part numbers: ENGINETECH CC402, MAHLE / CLEVITE SH1030S and DURA-BOND CH16, plus the other parts above.

This table covers the Camshaft bolts. Read more

PIONEER supplies the 3 Camshaft Bolt parts for the 1990 Buick Century.

Listed part numbers: PIONEER PG221, PIONEER PG220 and PIONEER PG223.

This table covers the Camshaft 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

2 Camshaft Plug parts for the 1990 Buick Century come from DORMAN.

This group includes DORMAN 555080 and DORMAN 570016.

This table covers the Camshaft Retainer / Thrust plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts. Read more

One part is listed for the 1990 Buick Century — GM GENUINE 12508079.

This table covers the Camshaft Shim washers. Read more

One part is listed for the 1990 Buick Century — MELLING MG221.

This table covers the bearings in the connecting-rod big ends. 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

10 Connecting Rod Bearing parts for the 1990 Buick Century come from 4 brands — MAHLE / CLEVITE, KING ENGINE BEARINGS, SEALED POWER and 1 other brand. The "Popular" part is ENGINETECH BB600J.

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

3 Conversion / Lower Gasket Set parts for the 1990 Buick Century come from 3 brands — APEX, MAHLE / CLEVITE and VICTOR REINZ.

This group includes APEX ACS3042, MAHLE / CLEVITE CS5701A and VICTOR REINZ 081185801.

This table covers the crankshafts that turn piston motion into rotation. Read more

2 Crankshaft parts for the 1990 Buick Century come from ENGINETECH.

Part numbers include ENGINETECH 127200 and ENGINETECH 126200.

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

6 Crankshaft Main Bearing parts are listed for the 1990 Buick Century, from ENGINETECH, MAHLE / CLEVITE, KING ENGINE BEARINGS and 1 other brand. ENGINETECH BC297J carries the "Popular" badge.

This group includes ENGINETECH BC297J, MAHLE / CLEVITE MS1733A and ENGINETECH BC386J and the remaining parts above.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

6 Crankshaft Repair Sleeve parts are listed for the 1990 Buick Century, from WJB / INMOTION PARTS, NATIONAL, TIMKEN and 2 other brands. NATIONAL 99176 carries the "Popular" badge.

Part numbers include NATIONAL 99176, TIMKEN KWK99176 and ENGINETECH SS339, among others listed above.

This table covers the Crankshaft Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes. Read more

2 Crankshaft Repair Sleeve Tool parts are listed for the 1990 Buick Century, from FEL-PRO and VICTOR REINZ.

Part numbers include FEL-PRO 16304 and VICTOR REINZ 711620500.

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

15 Crankshaft Seal parts are listed for the 1990 Buick Century, from NATIONAL, TIMKEN, WJB / INMOTION PARTS and 8 other brands. NATIONAL 9845 carries the "Popular" badge.

This table covers the Cylinder Head Alignment Dowel pins. Read more

This group shows a single part: PIONEER PG225.

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

5 Cylinder Head Bolt parts for the 1990 Buick Century come from 4 brands — ENGINETECH, FEL-PRO, MAHLE / CLEVITE and 1 other brand. The "Popular" part is FEL-PRO ES72733.

This group includes FEL-PRO ES72733, ENGINETECH HB121 and ENGINETECH HB127 and the remaining parts above.

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

5 Cylinder Head Gasket parts for the 1990 Buick Century come from 4 brands — VICTOR REINZ, FEL-PRO, APEX and 1 other brand. The "Popular" part is FEL-PRO 9405PT1.

Listed part numbers: FEL-PRO 9405PT1, APEX AHG342 and MAHLE / CLEVITE 5701, plus the other parts above.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

4 Cylinder Head Gasket Set parts for the 1990 Buick Century come from 3 brands — FEL-PRO, APEX and VICTOR REINZ.

This group includes APEX AHS3042B, FEL-PRO HS9405PT5 and FEL-PRO HS9405PT5VK and the remaining parts above.

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 1990 Buick Century — DORMAN 570012.

This table covers the Cylinder Head Spacer shims. Read more

This group shows a single part: SBI 2302024.

This table covers the wear sleeves used to restore a Cylinder seal surface. Read more

3 Cylinder Repair Sleeve parts for the 1990 Buick Century come from 2 brands — MELLING and ENGINETECH.

This group includes ENGINETECH ESL159, MELLING CSL1170 and MELLING CSL229.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

KAT'S HEATERS supplies both parts for the 1990 Buick Century.

This group includes KAT'S HEATERS 16600 and KAT'S HEATERS 11603.

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

3 Exhaust Valve parts are listed for the 1990 Buick Century, from ENGINETECH, QUALCAST and SBI.

This group includes ENGINETECH V9151, QUALCAST 101591 and SBI 01591.

This table covers the Expansion 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

17 Expansion Plug parts for the 1990 Buick Century come from 6 brands — DORMAN, PIONEER, ENGINETECH and 3 other brands. The "Popular" part is DORMAN 555087.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

2 Harmonic Balancer parts for the 1990 Buick Century come from 2 brands — ATP and PIONEER.

Listed part numbers: ATP 102048 and PIONEER DA151.

This table covers the wear sleeves used to restore a Harmonic Balancer seal surface. Read more

9 Harmonic Balancer Repair Sleeve parts are listed for the 1990 Buick Century, from NATIONAL, PIONEER, MAHLE / CLEVITE and 4 other brands. MAHLE / CLEVITE A228 carries the "Popular" badge.

Part numbers include MAHLE / CLEVITE A228, NATIONAL 88176 and BCA NS5000, among others listed above.

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

4 Intake Manifold Gasket parts for the 1990 Buick Century come from 4 brands — APEX, CORTECO, FEL-PRO and 1 other brand.

Part numbers include APEX AMS3422, CORTECO 23590 and FEL-PRO MS94278, among others listed above.

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

3 Intake Valve parts are listed for the 1990 Buick Century, from ENGINETECH, QUALCAST and SBI.

Part numbers include ENGINETECH V9148, QUALCAST 101592 and SBI 01592.

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

5 Motor Mount parts are listed for the 1990 Buick Century, from PIONEER, ANCHOR, DEA / MARMON RIDE CONTROL and 1 other brand. ANCHOR 2548 carries the "Popular" badge.

This group includes ANCHOR 2548, DEA / MARMON RIDE CONTROL A2548HY and PIONEER 602548 and the remaining parts above.

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

19 Oil parts are listed for the 1990 Buick Century, from MOBIL and VALVOLINE. MOBIL 125195 carries the "Popular" badge.

In the Full Synthetic grade, MOBIL and VALVOLINE supply 7 parts: full-synthetic oils. A representative part number is MOBIL 125195.

The High Mileage (>75,000 Miles) section lists 8 options from VALVOLINE and MOBIL — oils grouped for high-mileage engines. VALVOLINE VV1556 is listed in this group.

In the Synthetic Blend grade, MOBIL and VALVOLINE supply 4 parts: synthetic-blend oils. A representative part number is MOBIL 124406.

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

4 Oil Drain Plug parts are listed for the 1990 Buick Century, from DORMAN and PIONEER.

This group includes DORMAN 65213, DORMAN 090179 and DORMAN 090050 and the remaining parts above.

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

4 Oil Drain Plug Gasket parts for the 1990 Buick Century come from 4 brands — DORMAN, GM GENUINE, PIONEER and 1 other brand.

Part numbers include DORMAN 097116, GM GENUINE 14090908 and PIONEER 500052, among others listed above.

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

2 Oil Filler Cap parts are listed for the 1990 Buick Century, from MOTORAD and STANT.

Part numbers include MOTORAD MO104 and STANT 10104.

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

26 Oil Filter parts are listed for the 1990 Buick Century, from CHAMP / LUBER-FINER, PUROLATOR, FAMOUS BRAND and 15 other brands. FAMOUS BRAND 5001202772 carries the "Popular" badge. Grades run from Economy through Standard Replacement; Economy is the most populated section, led by CHAMP / LUBER-FINER, PUROLATOR, FAMOUS BRAND and 12 other brands.

This table covers the Oil Filter Bypass valves. 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

4 Oil Filter Bypass Valve parts are listed for the 1990 Buick Century, from PIONEER, DORMAN and GM GENUINE.

This group includes DORMAN 927841, GM GENUINE 19542299 and PIONEER PG580 and the remaining parts above.

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

One part is listed for the 1990 Buick Century — VICTOR REINZ 703141410.

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

5 Piston parts for the 1990 Buick Century come from 4 brands — ENGINETECH, MAHLE / CLEVITE, SEALED POWER and 1 other brand. The "Popular" part is ENGINETECH P3002.

In the Premium grade, MAHLE / CLEVITE, SEALED POWER and SILV-O-LITE supply 3 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is MAHLE / CLEVITE 2242567.

In the Standard Replacement grade, ENGINETECH supplies 2 parts: built to original-equipment specification. A representative part number is ENGINETECH P3002.

Part numbers include ENGINETECH P3002, MAHLE / CLEVITE 2242567 and SEALED POWER H547CP, among others listed above.

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

10 Piston Ring parts for the 1990 Buick Century come from 4 brands — HASTINGS MANUFACTURING, MAHLE / CLEVITE, SEALED POWER and 1 other brand. The "Popular" part is ENGINETECH M40134.

Premium: 5 parts, from HASTINGS MANUFACTURING, ENGINETECH, MAHLE / CLEVITE and 1 other brand. A representative part number is ENGINETECH M40134.

Standard Replacement: 5 parts, from HASTINGS MANUFACTURING, MAHLE / CLEVITE and SEALED POWER. A representative part number is HASTINGS MANUFACTURING 5663.

This table covers the pushrods that transfer lifter motion to the rocker arms. Read more

3 Push Rod parts for the 1990 Buick Century come from 3 brands — ENGINETECH, MELLING and SBI.

Listed part numbers: ENGINETECH EPR372, MELLING MPR372 and SBI 1921480.

This table covers the Push Rod gasket sets. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

2 Push Rod Gasket Set parts are listed for the 1990 Buick Century, from FEL-PRO and VICTOR REINZ.

This group includes FEL-PRO PS50276C and VICTOR REINZ 181005201.

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

5 Rocker Arm parts are listed for the 1990 Buick Century, from MELLING, ENGINETECH, SBI and 1 other brand. MELLING MR865 carries the "Popular" badge.

Part numbers include MELLING MR865, ENGINETECH ERK409 and MELLING MRK409, among others listed above.

This table covers the balls a rocker arm pivots on. Read more

This group shows a single part: MELLING MRM1716.

This table covers the Timing Cam sprockets. Read more

5 Timing Cam Sprocket parts are listed for the 1990 Buick Century, from CLOYES, MELLING, S.A. GEAR and 1 other brand. CLOYES 2524 carries the "Popular" badge.

Part numbers include CLOYES 2524 and CLOYES 2542, among others listed above.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

One part is listed for the 1990 Buick Century — ENGINETECH TS378.

This table covers the Timing covers. Read more

4 Timing Cover parts for the 1990 Buick Century come from 4 brands — ATP, DORMAN, PIONEER and 1 other brand.

Listed part numbers: ATP 103116, DORMAN 635506 and PIONEER 500151L, plus the other parts above.

This table covers the gaskets that seal the Timing Cover. 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

6 Timing Cover Gasket parts are listed for the 1990 Buick Century, from FEL-PRO, MAHLE / CLEVITE, APEX and 1 other brand. FEL-PRO TCS45846 carries the "Popular" badge.

Listed part numbers: FEL-PRO TCS45846, FEL-PRO TCS131982 and APEX ATC3420, plus the other parts above.

This table covers the wear sleeves used to restore a Timing Cover seal surface. Read more

SKF supplies both parts for the 1990 Buick Century.

Listed part numbers: SKF 480177 and SKF 99176.

This table covers the Timing Cover Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes. Read more

One part is listed for the 1990 Buick Century — FEL-PRO 16312.

This table covers the seals at the Timing Cover. 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

3 Timing Cover Seal parts are listed for the 1990 Buick Century, from ENGINETECH, MAHLE / CLEVITE and SKF.

Part numbers include ENGINETECH S0222, MAHLE / CLEVITE 48277SF and SKF 17286.

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

5 Timing Crank Sprocket parts are listed for the 1990 Buick Century, from MELLING, CLOYES, FVP and 2 other brands. MELLING 2537 carries the "Popular" badge.

Part numbers include MELLING 2537, among others listed above.

This table covers the oilers that spray the timing gears. Read more

One part is listed for the 1990 Buick Century — PIONEER PG380.