2004 Buick Lesabre Engine Parts

This table covers the Balance Shaft 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

2 Balance Shaft Bearing parts for the 2004 Buick Lesabre come from 2 brands — MAHLE / CLEVITE and SEALED POWER.

Part numbers include MAHLE / CLEVITE SH1798S and SEALED POWER 3204DR.

This table covers the Balance Shaft sprockets. Read more

5 Balance Shaft Sprocket parts are listed for the 2004 Buick Lesabre, from INA, CLOYES and S.A. GEAR. INA ZS2551 carries the "Popular" badge.

This group includes INA ZS2551, CLOYES 2551 and CLOYES 2558 and the remaining parts above.

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

One part is listed for the 2004 Buick Lesabre — ENGINETECH ES1541.

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

5 Camshaft Bearing parts are listed for the 2004 Buick Lesabre, from ENGINETECH, DURA-BOND, MAHLE / CLEVITE and 1 other brand. ENGINETECH CC421 carries the "Popular" badge.

Listed part numbers: ENGINETECH CC421, DURA-BOND B14 and ENGINETECH CC430, plus the other parts above.

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

This group shows a single part: PIONEER PG801.

This table covers the connecting rods between each piston and the crankshaft. Read more

One part is listed for the 2004 Buick Lesabre — ENGINETECH ECR308.

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

11 Connecting Rod Bearing parts are listed for the 2004 Buick Lesabre, from MAHLE / CLEVITE, KING ENGINE BEARINGS, SEALED POWER and 2 other brands. ENGINETECH BB624J carries the "Popular" badge.

In the High Performance grade, KING ENGINE BEARINGS supplies 2 parts: engineered beyond original-equipment specification. A representative part number is KING ENGINE BEARINGS CR6664XP.

The Standard Replacement section lists 9 options from MAHLE / CLEVITE, SEALED POWER, ENGINETECH and 2 other brands — built to original-equipment specification. ENGINETECH BB624J is listed in this group.

This table covers the Connecting Rod bolts. Read more

This group shows a single part: GM GENUINE 11610158.

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

4 Conversion / Lower Gasket Set parts are listed for the 2004 Buick Lesabre, from APEX, ENGINETECH, FEL-PRO and 1 other brand.

This group includes APEX ACS3114, ENGINETECH B38CSB and FEL-PRO CS99172 and the remaining parts above.

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

One part is listed for the 2004 Buick Lesabre — ENGINETECH 104000.

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 for the 2004 Buick Lesabre come from 5 brands — MAHLE / CLEVITE, ENGINETECH, GM GENUINE and 2 other brands. The "Popular" part is ENGINETECH BC455J.

This group includes ENGINETECH BC455J, MAHLE / CLEVITE MS2022P and GM GENUINE 89017698 and the remaining parts above.

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

One part is listed for the 2004 Buick Lesabre — GM GENUINE 24503056.

This table covers the wear sleeves used to restore a Crankshaft Main Bearing seal surface. Read more

One part is listed for the 2004 Buick Lesabre — VICTOR REINZ 711348200.

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

7 Crankshaft Repair Sleeve parts for the 2004 Buick Lesabre come from 5 brands — TIMKEN, WJB / INMOTION PARTS, FEL-PRO and 2 other brands. The "Popular" part is TIMKEN KWK99193.

Listed part numbers: TIMKEN KWK99193, WJB / INMOTION PARTS WS99193 and FEL-PRO 16276, plus the other parts above.

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

18 Crankshaft Seal parts for the 2004 Buick Lesabre come from 11 brands — TIMKEN, WJB / INMOTION PARTS, GM GENUINE and 8 other brands. The "Popular" part is GM GENUINE 12582313.

This table covers the gaskets that seal the Crankshaft Seal. 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 2004 Buick Lesabre — GM GENUINE 24507388.

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

This group shows a single part: ENGINETECH CH1119R.

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

5 Cylinder Head Bolt parts are listed for the 2004 Buick Lesabre, from APEX, GM GENUINE, MAHLE / CLEVITE and 2 other brands. APEX AHB359 carries the "Popular" badge.

This group includes APEX AHB359, GM GENUINE 88891770 and MAHLE / CLEVITE GS33363 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

9 Cylinder Head Gasket parts are listed for the 2004 Buick Lesabre, from FEL-PRO, APEX, MAHLE / CLEVITE and 2 other brands. FEL-PRO 9918PT carries the "Popular" badge.

This group includes FEL-PRO 9918PT, FEL-PRO 9917PT and APEX AHG359L and the remaining 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

8 Cylinder Head Gasket Set parts are listed for the 2004 Buick Lesabre, from ENGINETECH, FEL-PRO, SKP and 4 other brands. FEL-PRO HS9917PT3 carries the "Popular" badge.

Listed part numbers: FEL-PRO HS9917PT3, SKP SKHS9917PT and APEX AHS3059, plus the other 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

2 Cylinder Head Plug parts for the 2004 Buick Lesabre come from DORMAN.

Part numbers include DORMAN 565019 and DORMAN 570006.

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

4 Cylinder Repair Sleeve parts are listed for the 2004 Buick Lesabre, from MELLING and ENGINETECH.

This group includes ENGINETECH ESL1101, MELLING CSL138 and MELLING CSL138X and the remaining parts above.

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

2 Engine Block Heater parts for the 2004 Buick Lesabre come from 2 brands — KAT'S HEATERS and TEMRO.

This group includes KAT'S HEATERS 11416 and TEMRO 3100041.

This table covers full gasket kits covering the joints opened in an engine rebuild. 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

One part is listed for the 2004 Buick Lesabre — ENGINETECH B38K2.

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

5 Exhaust Valve parts for the 2004 Buick Lesabre come from 5 brands — MELLING, ENGINETECH, QUALCAST and 2 other brands. The "Popular" part is MELLING V1735.

Listed part numbers: MELLING V1735, ENGINETECH V3223 and QUALCAST 101735, plus the other parts above.

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

8 Expansion Plug parts are listed for the 2004 Buick Lesabre, from DORMAN, QUALCAST and MELLING. DORMAN 555077 carries the "Popular" badge.

Listed part numbers: DORMAN 555077, DORMAN 565077 and DORMAN 555018, plus the other parts above.

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

3 Harmonic Balancer parts are listed for the 2004 Buick Lesabre, from ATP, DAYCO and PIONEER.

This group includes ATP 102284, DAYCO PB1434N and PIONEER DA7015.

This table covers the Harmonic Balancer bolts. Read more

This group shows a single part: GM GENUINE 24504736.

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

6 Intake Manifold parts for the 2004 Buick Lesabre come from 6 brands — DORMAN, FAMOUS BRAND, ATP and 3 other brands. The "Popular" part is DORMAN 615180.

Part numbers include DORMAN 615180 and ATP 106001, 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

11 Intake Manifold Gasket parts are listed for the 2004 Buick Lesabre, from MAHLE / CLEVITE, FEL-PRO, VICTOR REINZ and 3 other brands. FEL-PRO MS98014T carries the "Popular" badge.

The Premium section lists 2 options from FEL-PRO and VICTOR REINZ — a step above OE specification in materials, tolerances or warranty terms. FEL-PRO MS98014T is listed in this group.

The Standard Replacement section: 9 options from MAHLE / CLEVITE, APEX, FEL-PRO and 3 other brands. FEL-PRO MS958091 is listed in this group.

This table covers the gaskets that seal the Intake Plenum. 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

8 Intake Plenum Gasket parts for the 2004 Buick Lesabre come from 7 brands — GM GENUINE, DORMAN, FEL-PRO and 4 other brands. The "Popular" part is DORMAN 615207.

Part numbers include DORMAN 615207, FEL-PRO MS95812 and APEX AMS3590, 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

4 Intake Valve parts for the 2004 Buick Lesabre come from 4 brands — ENGINETECH, MELLING, QUALCAST and 1 other brand.

This group includes ENGINETECH V4422, MELLING V1858 and QUALCAST 101858 and the remaining parts above.

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

6 Motor Mount parts for the 2004 Buick Lesabre come from 5 brands — WESTAR, SKP, ANCHOR and 2 other brands. The "Popular" part is SKP SKM2896.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SKM2896 is listed in this group.

Standard Replacement: 5 parts, from WESTAR, ANCHOR, PIONEER and 1 other brand. A representative part number is ANCHOR 2896.

Listed part numbers: SKP SKM2896, ANCHOR 2896 and PIONEER 612896, plus the other parts above.

This table covers the Motor Mount kits. Read more

This group shows a single part: ANCHOR 301141.

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

34 Oil parts for the 2004 Buick Lesabre come from 7 brands — VALVOLINE, MOBIL, LIQUI MOLY and 4 other brands. The "Popular" part is MOBIL 125195. They are grouped as Full Synthetic, High Mileage (>75,000 Miles), Racing and Synthetic Blend, with Full Synthetic the largest group at 21 parts from MOBIL, VALVOLINE, LIQUI MOLY and 2 other brands.

This table covers the Oil Cooler Mounting kits. Read more

HAYDEN supplies both parts for the 2004 Buick Lesabre.

Listed part numbers: HAYDEN 238 and HAYDEN 153.

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

2 Oil Dipstick / Tube Seal parts are listed for the 2004 Buick Lesabre, from FEL-PRO and GM GENUINE.

This group includes FEL-PRO 73889 and GM GENUINE 24504031.

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

6 Oil Drain Plug parts for the 2004 Buick Lesabre come from 4 brands — DORMAN, GM GENUINE, AGS and 1 other brand. The "Popular" part is DORMAN 090034.

Listed part numbers: DORMAN 090034, GM GENUINE 11562588 and AGS ODP00009, plus the other 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

10 Oil Drain Plug Gasket parts are listed for the 2004 Buick Lesabre, from GM GENUINE, DORMAN, FEL-PRO and 5 other brands. FEL-PRO 70820 carries the "Popular" badge.

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

6 Oil Filler Cap parts for the 2004 Buick Lesabre come from 6 brands — ACDELCO, MOTORAD, CALORSTAT and 3 other brands. The "Popular" part is ACDELCO FC208.

Part numbers include ACDELCO FC208, MOTORAD MO99 and CALORSTAT OC2314, among others listed above.

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

2 Oil Filler Cap Gasket parts are listed for the 2004 Buick Lesabre, from FEL-PRO and GM GENUINE.

This group includes FEL-PRO 73193 and GM GENUINE 24100002.

This table covers the Oil Filler tubes. Read more

3 Oil Filler Tube parts for the 2004 Buick Lesabre come from 3 brands — DORMAN, SKP and ULTRA-POWER.

This group includes DORMAN 917414 and SKP SK917414 and the remaining parts above.

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

20 Oil Filter parts for the 2004 Buick Lesabre come from 14 brands — BOSCH, CHAMP / LUBER-FINER, VARIOUS MFR and 11 other brands. The "Popular" part is BOSCH 72132WS.

The Economy section: 7 options from BOSCH, CHAMP / LUBER-FINER, FRAM and 4 other brands. BOSCH 72132WS is listed in this group.

The High Performance / Heavy Duty section lists 3 options from ACDELCO, MOBIL and WIX — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. ACDELCO UPF47R is listed in this group.

Standard Replacement: 10 parts, from HENGST, ACDELCO, WIX and 6 other brands. A representative part number is ACDELCO PF47E.

This table covers the Oil Filter Adapter 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

2 Oil Filter Adapter Gasket / O-Ring parts are listed for the 2004 Buick Lesabre, from GM GENUINE and MAHLE / CLEVITE.

Listed part numbers: GM GENUINE 25534742 and MAHLE / CLEVITE B31639.

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

This group shows a single part: GM GENUINE 25014612.

This table covers the gaskets that seal the Oil Filter. 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

3 Oil Filter Gasket parts are listed for the 2004 Buick Lesabre, from APEX, FEL-PRO and VICTOR REINZ.

This group includes APEX AOM6003, FEL-PRO 70644 and VICTOR REINZ 711350600.

This table covers the Oil Level 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

5 Oil Level Sensor parts for the 2004 Buick Lesabre come from 5 brands — ACDELCO, GM GENUINE, HOLSTEIN and 2 other brands. The "Popular" part is ACDELCO D8055.

Part numbers include ACDELCO D8055, GM GENUINE 12603782 and HOLSTEIN 2OLS0002, among others listed above.

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

3 Oil Pan parts are listed for the 2004 Buick Lesabre, from DORMAN, PIONEER and SPECTRA PREMIUM.

Part numbers include DORMAN 264644, PIONEER 501113 and SPECTRA PREMIUM GMP73A.

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

5 Oil Pan Gasket parts for the 2004 Buick Lesabre come from 4 brands — VICTOR REINZ, APEX, FEL-PRO and 1 other brand. The "Popular" part is VICTOR REINZ 703141410.

This group includes VICTOR REINZ 703141410, APEX AOP360 and FEL-PRO OS30699R and the remaining parts above.

This table covers the Oil Pump repair kits. Read more

3 Oil Pump Repair Kit parts are listed for the 2004 Buick Lesabre, from ENGINETECH, MELLING and SEALED POWER.

This group includes ENGINETECH EK195, MELLING K195 and SEALED POWER 22453572.