This page lists 58 steering parts for the 2017 Buick Lacrosse, across 16 part types, covering the 3.6L V6 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2017 Buick Lacrosse, the steering system connects driver to road through the rack, pump, tie rods, and column components. Most of the listed parts are Tie Rod End (27 parts), Power Steering Fluid (7 parts) and Knuckle (6 parts). The other 13 part types cover the remaining 18 parts.
Every part on this page is matched to the 3.6L V6 — the only engine offered in the 2017 Buick Lacrosse.
The most listed brands for 2017 Buick Lacrosse steering parts are GM GENUINE (25 parts), MEVOTECH (9 parts) and PRESTONE (5 parts), plus 9 more brands. Quality grades include Daily Driver, Economy and Multi-Vehicle.
10 parts on this 2017 Buick Lacrosse page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GM GENUINE 23384197 (Knuckle) and MOBIL 126505 (Power Steering Fluid). Click any part number to see every vehicle that part fits.
Coupling Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23504888 | 🇺🇸 US 🇨🇦 CA | Inner | View on Amazon |
| GM GENUINE | 84389436 | 🇺🇸 US 🇨🇦 CA | IntermediateOrder with 84389437 | View on Amazon |
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.
2 Coupling Boot parts for the 2017 Buick Lacrosse come from GM GENUINE.
Listed part numbers: GM GENUINE 23504888 and GM GENUINE 84389436.
King Pin
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23315420 | 🇺🇸 US 🇨🇦 CA | Performance Front Strut/Chassis Equip (GNB)do Not Repl 23315420 King Pin Unless Broken/Sheared | View on Amazon |
This table covers the King pins.
One part is listed for the 2017 Buick Lacrosse — GM GENUINE 23315420.
Knuckle
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 23384197 | 🇺🇸 US 🇨🇦 CA | Front LeftFront Strut (GNA) | View on Amazon |
| GM GENUINE Popular | 23384198 | 🇺🇸 US 🇨🇦 CA | Front RightFront Strut (GNA) | View on Amazon |
| GM GENUINE | 42803050 | 🇺🇸 US 🇨🇦 CA | Rear LeftRear Axle Chassis Equipment (GNQ) | View on Amazon |
| GM GENUINE | 42803051 | 🇺🇸 US 🇨🇦 CA | Rear RightRear Axle Chassis Equipment (GNQ) | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SK697322 | 🇺🇸 US 🇨🇦 CA | Front Leftwithout Performance Package | View on Amazon |
| SKP | SK697323 | 🇺🇸 US 🇨🇦 CA | Front Rightwithout Performance Package | View on Amazon |
This table covers the steering knuckles that carry the hub, caliper and ball joints.
6 Knuckle parts for the 2017 Buick Lacrosse come from 2 brands — GM GENUINE and SKP. The "Popular" part is GM GENUINE 23384197.
In the Daily Driver grade, GM GENUINE supplies 4 parts: grouped for everyday commuting duty. A representative part number is GM GENUINE 23384197.
The Economy section lists 2 options from SKP — the catalog's value-priced group. SKP SK697322 is listed in this group.
Part numbers include GM GENUINE 23384197, GM GENUINE 23384198 and GM GENUINE 42803050, among others listed above.
Power Steering Fluid
Dexron
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL | 126411 | 🇺🇸 US 🇨🇦 CA | Dexron-VI ATF | View on Amazon |
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular | 126505 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle ATF | View on Amazon |
| PRESTONE Popular | AS261 | 🇺🇸 US 🇨🇦 CA | 32 Ounce | View on Amazon |
| PRESTONE | AS260Y | 🇺🇸 US 🇨🇦 CA | 12 oz. | View on Amazon |
| PRESTONE | AS262Y | 🇺🇸 US 🇨🇦 CA | Power Steering Fluid Plus Stop Leak12 Fluid Ounce | View on Amazon |
| PRESTONE | AS263Y | 🇺🇸 US 🇨🇦 CA | Power Steering Fluid Plus Stop Leak1 Quart | View on Amazon |
| PRESTONE | AS266Y6 | 🇺🇸 US 🇨🇦 CA | 1 Gallon | View on Amazon |
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.
7 Power Steering Fluid parts are listed for the 2017 Buick Lacrosse, from PRESTONE and MOBIL. MOBIL 126505 carries the "Popular" badge.
In the Dexron grade, MOBIL supplies 1 part: grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. A representative part number is MOBIL 126411.
In the Multi-Vehicle grade, PRESTONE and MOBIL supply 6 parts: grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. A representative part number is MOBIL 126505.
This group includes MOBIL 126505, MOBIL 126411 and PRESTONE AS261 and the remaining parts above.
Rack and Pinion
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84710258 | 🇺🇸 US 🇨🇦 CA | Front Strut (GNA)Electric | View on Amazon |
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.
This group shows a single part: GM GENUINE 84710258.
Rack and Pinion Bellow
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23449527 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the rubber boots that seal the inner tie-rod joints on the rack.
One part is listed for the 2017 Buick Lacrosse — GM GENUINE 23449527.
Rack and Pinion Bellow Clamp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 25901575 | 🇺🇸 US 🇨🇦 CA | Fits OuterSpringband | View on Amazon |
| GM GENUINE | 11547783 | 🇺🇸 US 🇨🇦 CA | InnerHose, Crimp, 68 Open Outside Diameter, 9.5 Wide | View on Amazon |
This table covers the Rack and Pinion Bellow clamps.
2 Rack and Pinion Bellow Clamp parts for the 2017 Buick Lacrosse come from GM GENUINE.
This group includes GM GENUINE 25901575 and GM GENUINE 11547783.
Steering Column
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 85529026 | 🇺🇸 US 🇨🇦 CA | Supplemental Restraint System Compliant: YES | View on Amazon |
| GM GENUINE | 85561701 | 🇺🇸 US 🇨🇦 CA | Power Retractable Tilt Steering Column (N38)Exc. Electric Steering Column Lock Control (N06) | View on Amazon |
This table covers the steering columns.
2 Steering Column parts for the 2017 Buick Lacrosse come from GM GENUINE.
Part numbers include GM GENUINE 85529026 and GM GENUINE 85561701.
Steering Column Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84625122 | 🇺🇸 US 🇨🇦 CA | Power Retractable Tilt Steering Column (N38)Exc. Electric Steering Column Lock Control (N06) | View on Amazon |
This table covers the Steering Column control modules.
One part is listed for the 2017 Buick Lacrosse — GM GENUINE 84625122.
Steering Column Switch Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 39088759 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Steering Column Switch housings.
One part is listed for the 2017 Buick Lacrosse — GM GENUINE 39088759.
Steering Coupler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23449521 | 🇺🇸 US 🇨🇦 CA | Single UseChassis Equipment Front Strut Assembly, Chassis Equipment Front Strut Assembly, Performance | View on Amazon |
This table covers the couplers in the steering shaft.
This group shows a single part: GM GENUINE 23449521.
Steering Gear Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11610468 | 🇺🇸 US 🇨🇦 CA | FrontM12 X 1.75 X 60 mm | View on Amazon |
| GM GENUINE | 11610913 | 🇺🇸 US 🇨🇦 CA | M12X1.75X95 | View on Amazon |
This table covers the Steering Gear bolts.
2 Steering Gear Bolt parts for the 2017 Buick Lacrosse come from GM GENUINE.
This group includes GM GENUINE 11610468 and GM GENUINE 11610913.
Steering Gear Heat Shield
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23307925 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
This group shows a single part: GM GENUINE 23307925.
Steering Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 42810610 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | View on Amazon |
| GM GENUINE | 84389437 | 🇺🇸 US 🇨🇦 CA | IntermediateOrder with 84389436 | View on Amazon |
This table covers the Steering shafts.
2 Steering Shaft parts for the 2017 Buick Lacrosse come from GM GENUINE.
Part numbers include GM GENUINE 42810610 and GM GENUINE 84389437.
Tie Rod End
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MEVOTECH Popular | MS50775 | 🇺🇸 US 🇨🇦 CA | SupremeIncludes Hardware | View on Amazon |
| MOOG Popular | EV801304 | 🇺🇸 US 🇨🇦 CA | Front Innerwithout Performance Package | View on Amazon |
| MOOG Popular | ES801316 | 🇺🇸 US 🇨🇦 CA | Front Left Outerwithout Performance Package | View on Amazon |
| MOOG Popular | ES801317 | 🇺🇸 US 🇨🇦 CA | Front Right Outerwithout Performance Package | View on Amazon |
| SUSPENSIA Popular | X37TE7414 | 🇺🇸 US 🇨🇦 CA | Front Left Outerwith High Performance Strut Package | View on Amazon |
| SUSPENSIA Popular | X37TE7413 | 🇺🇸 US 🇨🇦 CA | Front Right Outerwith High Performance Strut Package | View on Amazon |
| DELPHI | TA3331 | 🇺🇸 US 🇨🇦 CA | Inner | View on Amazon |
| DELPHI | TA3332 | 🇺🇸 US 🇨🇦 CA | Left Outer | View on Amazon |
| DELPHI | TA3333 | 🇺🇸 US 🇨🇦 CA | Right Outer | View on Amazon |
| GM GENUINE | 23449523 | 🇺🇸 US 🇨🇦 CA | Right OuterFront Strut (GNA) | View on Amazon |
| GM GENUINE | 23449526 | 🇺🇸 US 🇨🇦 CA | InnerFront Strut (GNA) | View on Amazon |
| GM GENUINE | 23449522 | 🇺🇸 US 🇨🇦 CA | Left OuterFront Strut (GNA) | View on Amazon |
| MEVOTECH | MS506102 | 🇺🇸 US 🇨🇦 CA | SupremeGreaseable | View on Amazon |
| MEVOTECH | MS506103 | 🇺🇸 US 🇨🇦 CA | SupremeGreaseable | View on Amazon |
| MEVOTECH | MS50785 | 🇺🇸 US 🇨🇦 CA | Supreme | View on Amazon |
| SUSPENSIA | X07TR0063 | 🇺🇸 US 🇨🇦 CA | Front Innerwith High Performance Suspension Strut | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 543837 | 🇺🇸 US 🇨🇦 CA | Front Innerwithout Performance Package | View on Amazon |
| DORMAN | 544779 | 🇺🇸 US 🇨🇦 CA | Front Left OuterExc. Performance Package | View on Amazon |
| DORMAN | 544780 | 🇺🇸 US 🇨🇦 CA | Front Right OuterExc. Performance Package | View on Amazon |
| FVP | TI92090 | 🇺🇸 US 🇨🇦 CA | Front Innerwithout Performance Package | View on Amazon |
| MCQUAY-NORRIS | ES5047 | 🇺🇸 US 🇨🇦 CA | Left Outerwithout Performance Package | View on Amazon |
| MEVOTECH | GS50775 | 🇺🇸 US 🇨🇦 CA | Original Grade | View on Amazon |
| MEVOTECH | GS506102 | 🇺🇸 US 🇨🇦 CA | Original Grade | View on Amazon |
| MEVOTECH | GS506103 | 🇺🇸 US 🇨🇦 CA | Original Grade | View on Amazon |
| QUICK STEER | EV801304 | 🇺🇸 US 🇨🇦 CA | Front Innerwithout Performance Package | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MEVOTECH | TXMS506102 | 🇺🇸 US 🇨🇦 CA | TTX | View on Amazon |
| MEVOTECH | TXMS506103 | 🇺🇸 US 🇨🇦 CA | TTX | View on Amazon |
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.
27 Tie Rod End parts are listed for the 2017 Buick Lacrosse, from MEVOTECH, MOOG, SUSPENSIA and 6 other brands. MEVOTECH MS50775 carries the "Popular" badge. Daily Driver, Economy and Premium are all represented, and Daily Driver alone accounts for 16 parts.
Tie Rod Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11548246 | 🇺🇸 US 🇨🇦 CA | Inner | View on Amazon |
This table covers the Tie Rod nuts.
One part is listed for the 2017 Buick Lacrosse — GM GENUINE 11548246.
Buying Steering Parts for a 2017 Buick Lacrosse
On this vehicle, the steering system connects driver to road through the rack, pump, tie rods, and column components.
- Confirm you have the 3.6L V6 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the inner and outer tie-rod ends together on higher-mileage vehicles, then get an alignment.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Tie Rod End and Power Steering Fluid .
Frequently Asked Questions
How many steering parts fit the 2017 Buick Lacrosse?
Our catalog currently lists 58 steering parts for the 2017 Buick Lacrosse across 16 subcategories and 12 brands, covering the 3.6L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of steering problems on a 2017 Buick Lacrosse?
Common symptoms include play or looseness on center, a whine when turning, fluid weeping from rack boots, or uneven tire wear on the front axle. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the inner and outer tie-rod ends together on higher-mileage vehicles, then get an alignment.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2017 Buick Lacrosse was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2017 Buick Lacrosse?
Every part on this page is matched to the 3.6L V6 engine. Then flush old power-steering fluid when replacing a pump or rack — grit in the old fluid is the number-one cause of repeat failure. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2017 Buick Lacrosse
Steering Parts for Other Buick Lacrosse Years
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