2016 Buick Lacrosse Steering Parts

This table covers the Coupling boots. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn. Read more

GM GENUINE supplies the 3 Coupling Boot parts for the 2016 Buick Lacrosse.

Part numbers include GM GENUINE 22968805, GM GENUINE 23106608 and GM GENUINE 23170898.

This table covers the King pins. Read more

This group shows a single part: GM GENUINE 23315420.

This table covers the steering knuckles that carry the hub, caliper and ball joints. Read more

13 Knuckle parts are listed for the 2016 Buick Lacrosse, from GM GENUINE, APWI, DORMAN and 2 other brands. GM GENUINE 23432049 carries the "Popular" badge.

The Daily Driver section lists 5 options from GM GENUINE — grouped for everyday commuting duty. GM GENUINE 23432049 is listed in this group.

In the Economy grade, APWI, DORMAN, SKP and 1 other brand supply 8 parts: the catalog's value-priced group. A representative part number is APWI GM2012.

This table covers the Power Steering Assist Motor modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 39240649.

This table covers the Power Steering coolers. Typical signs include overheated fluid, a leak at the fittings, or mixed fluids in the reservoir. Flush the lines when you replace a cooler. Read more

3 Power Steering Cooler parts for the 2016 Buick Lacrosse come from 3 brands — DORMAN, EDELMANN and GM GENUINE.

Listed part numbers: DORMAN 918338, EDELMANN 58203 and GM GENUINE 13280139.

This table covers the fluids specified for this steering system. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable. Read more

20 Power Steering Fluid parts for the 2016 Buick Lacrosse come from 7 brands — VALVOLINE, PRESTONE, PENTOSIN and 4 other brands. The "Popular" part is ACDELCO 109394.

In the ATF 64 grade, PENTOSIN supplies 2 parts: grouped under the catalog's "ATF 64" designation — the notes column spells out what sets them apart. A representative part number is PENTOSIN 1058113.

The Dexron section lists 5 options from ACDELCO, VALVOLINE and MOBIL — grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. ACDELCO 109394 is listed in this group.

The Multi-Vehicle section lists 12 options from PRESTONE, VALVOLINE, LUCAS OIL and 2 other brands — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. PRESTONE AS261 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

This table covers the Power Steering Hose clamps. Read more

2 Power Steering Hose Clamp parts for the 2016 Buick Lacrosse come from GM GENUINE.

Part numbers include GM GENUINE 90572594 and GM GENUINE 11611503.

This table covers the Power Steering Pressure 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

7 Power Steering Pressure Hose parts for the 2016 Buick Lacrosse come from 4 brands — SUNSONG, EDELMANN, GATES and 1 other brand. The "Popular" part is EDELMANN 81272.

Listed part numbers: EDELMANN 81272, SUNSONG 3404438 and EDELMANN 81271, plus the other parts above.

This table covers the brackets that mount the Power Steering Pressure Hose. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

2 Power Steering Pressure Hose Bracket parts for the 2016 Buick Lacrosse come from GM GENUINE.

This group includes GM GENUINE 22855802 and GM GENUINE 20920112.

This table covers the seals at the Power Steering Pressure Hose. 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

6 Power Steering Pressure Hose Seal parts are listed for the 2016 Buick Lacrosse, from EDELMANN, GM GENUINE, FVP and 1 other brand. EDELMANN 70118 carries the "Popular" badge.

Part numbers include EDELMANN 70118 and EDELMANN 70018, among others listed above.

This table covers the Power Steering 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

6 Power Steering Pump parts for the 2016 Buick Lacrosse come from 6 brands — GM GENUINE, LARES, AAE and 3 other brands. The "Popular" part is GM GENUINE 13582209.

The New section lists 3 options from GM GENUINE, LARES and AAE — brand-new units rather than rebuilt ones. GM GENUINE 13582209 is listed in this group.

The Remanufactured section lists 3 options from CARDONE, MAVAL and TERREPOWER — factory-rebuilt units with new wear components. CARDONE 214063 is listed in this group.

This group includes GM GENUINE 13582209, LARES 14867 and AAE 63304N and the remaining parts above.

This table covers the brackets that mount the Power Steering Pump. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

This group shows a single part: GM GENUINE 12611591.

This table covers the Power Steering Pump 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

4 Power Steering Pump Pulley parts are listed for the 2016 Buick Lacrosse, from AAE, CARDONE, DORMAN and 1 other brand.

Listed part numbers: AAE PU100283, CARDONE 3P15125 and DORMAN 300398, plus the other parts above.

This table covers the Power Steering reservoirs. Read more

2 Power Steering Reservoir parts are listed for the 2016 Buick Lacrosse, from GM GENUINE and LARES.

Part numbers include GM GENUINE 23259980 and LARES 20308.

This table covers the Power Steering Reservoir (Suction) 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

2 Power Steering Reservoir (Suction) Hose parts for the 2016 Buick Lacrosse come from 2 brands — GM GENUINE and SUNSONG.

Part numbers include GM GENUINE 20967381 and SUNSONG 3404959.

This table covers the brackets that mount the Power Steering Reservoir. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 13259109.

This table covers the Power Steering Reservoir caps. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 23267557.

This table covers the Power Steering Return 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

3 Power Steering Return Hose parts are listed for the 2016 Buick Lacrosse, from SUNSONG and GM GENUINE.

Listed part numbers: GM GENUINE 23333662, SUNSONG 3404846 and SUNSONG 3405077.

This table covers the steering gear assemblies that turn the tie rods. Typical signs include fluid at a torn boot, a growl when you turn, or play that the inner tie rods do not explain. Flush the old power-steering fluid with the rack — grit in the old fluid is the usual cause of a repeat leak. Read more

7 Rack and Pinion parts are listed for the 2016 Buick Lacrosse, from GM GENUINE, LARES, AAE and 1 other brand. GM GENUINE 84494624 carries the "Popular" badge.

New: 4 parts, from GM GENUINE and LARES. A representative part number is GM GENUINE 84494624.

Remanufactured: 3 parts, from GM GENUINE, AAE and TERREPOWER. A representative part number is GM GENUINE 19330581.

Listed part numbers: GM GENUINE 84494624, GM GENUINE 84494622 and GM GENUINE 84216769, plus the other parts above.

This table covers the rubber boots that seal the inner tie-rod joints on the rack. Read more

6 Rack and Pinion Bellow parts for the 2016 Buick Lacrosse come from 3 brands — GM GENUINE, DELPHI and VAICO. The "Popular" part is GM GENUINE 22776532.

Listed part numbers: GM GENUINE 22776532, GM GENUINE 13354440 and DELPHI TBR4576, plus the other parts above.

This table covers the Rack and Pinion Bellow clamps. Read more

GM GENUINE supplies both parts for the 2016 Buick Lacrosse.

Listed part numbers: GM GENUINE 25901575 and GM GENUINE 25901574.

This table covers the Rack and Pinion Belt kits. Read more

This group shows a single part: EDELMANN 9610.

This table covers the Rack and Pinion bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

GM GENUINE supplies both parts for the 2016 Buick Lacrosse.

Listed part numbers: GM GENUINE 13354481 and GM GENUINE 23154600.

This table covers the Rack and Pinion 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

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 22776527.

This table covers the Steering Column Switch housings. Read more

2 Steering Column Switch Housing parts for the 2016 Buick Lacrosse come from GM GENUINE.

This group includes GM GENUINE 20897749 and GM GENUINE 20942398.

This table covers the couplers in the steering shaft. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 20757969.

This table covers the Steering Gear bolts. Read more

GM GENUINE supplies both parts for the 2016 Buick Lacrosse.

Part numbers include GM GENUINE 24430521 and GM GENUINE 11561297.

This table covers the Steering Gear 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

GM GENUINE supplies both parts for the 2016 Buick Lacrosse.

This group includes GM GENUINE 23145917 and GM GENUINE 25991723.

This table covers the Steering Gear nuts. Read more

One part is listed for the 2016 Buick Lacrosse — GM GENUINE 11546593.

This table covers the Steering shafts. Read more

2 Steering Shaft parts are listed for the 2016 Buick Lacrosse, from DORMAN and LARES.

Listed part numbers: DORMAN 425197 and LARES 575.

This table covers the Steering Wheel position sensors. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor. Read more

5 Steering Wheel Position Sensor parts are listed for the 2016 Buick Lacrosse, from GM GENUINE, WELLS and STANDARD MOTOR PRODUCTS. GM GENUINE 13589991 carries the "Popular" badge.

Part numbers include GM GENUINE 13589991, GM GENUINE 13513905 and STANDARD MOTOR PRODUCTS SWS100, among others listed above.

This table covers the inner and outer tie-rod ends that steer each front knuckle. Typical signs include play on center, a feathered front tire, or a boot that has split and packed with grit. Replace inner and outer ends together on a high-mileage axle, then get an alignment. Read more

79 Tie Rod End parts for the 2016 Buick Lacrosse come from 13 brands — MEVOTECH, DELPHI, GM GENUINE and 10 other brands. The "Popular" part is ACDELCO 45A2519. They are grouped as Daily Driver and Economy, with Daily Driver the largest group at 53 parts from DELPHI, MEVOTECH, GM GENUINE and 4 other brands.

This table covers the Tie Rod Lock 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: GM GENUINE 13277645.

This table covers the Tie Rod nuts. Read more

3 Tie Rod Nut parts for the 2016 Buick Lacrosse come from GM GENUINE.

This group includes GM GENUINE 11611641, GM GENUINE 11562065 and GM GENUINE 13286681.