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Delphi TC9040 Suspension Control Arm - Front Right Lower
| Brand | Delphi TC9040 |
|---|---|
| Position | Front Right Lower |
| Fits | Buick · 2 vehicles |
OE expertise. Applied to aftermarket steering parts for OE performance and compatibility.
Extreme testing. Withstands temperatures below -40°C, above 120°C, and 720 hours of salt spray.
Dimensional analysis. Careful material and fit analysis helps ensure compatibility with the OE part.
Cross-references 23421071, 84107270 and 84362537 for the same application. See all 4.
Delphi TC9040 Front Right Lower Control Arm
Delphi TC9040 is a front right lower suspension control arm for select Buick LaCrosse applications. It brings OE-focused engineering to the aftermarket with dimensional and material analysis aimed at proper fit and consistent suspension performance.
Fits 2017-2018 Buick LaCrosse, front right lower.
Key Features
- Front right lower suspension control arm application
- OE-style fitment for 2017-2018 Buick LaCrosse
- Built using Delphi’s OE engineering background for aftermarket steering and suspension parts
- Tested for temperature extremes below -40°C and above 120°C
- Exposed to 720 hours of salt spray testing for corrosion resistance evaluation
- Part number TC9040 for catalog and service lookup
Detailed Description
The Delphi TC9040 suspension control arm is specified for the front right lower position on the 2017-2018 Buick LaCrosse. Delphi applies OE-level dimensional and material analysis to help ensure the part matches the intended vehicle geometry and installation requirements. This makes TC9040 a direct-fit replacement choice for Buick LaCrosse front suspension service where the lower control arm needs to be restored to proper condition. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Use part number TC9040 when verifying the correct front right lower control arm for your Buick LaCrosse. The OE-based testing process includes exposure to severe temperature swings and extended salt spray testing to evaluate durability in demanding environments.
Common Reasons for Replacement
- Front-end clunking or knocking from the lower suspension area
- Excessive play in the front right lower control arm
- Uneven tire wear related to worn suspension geometry
- Steering pull or unstable road feel after component wear
- Visible bushing or arm wear during suspension inspection
Installation Notes and Tips
Confirm the front right lower position before installation and verify fitment against the vehicle’s build details. Inspect related suspension components, alignment angles, and mounting points during service so the repaired Buick LaCrosse suspension can be returned to specification. Always compare the old part to TC9040 before installation.
Quality Assurance
Delphi applies OE safety technology and aftermarket engineering standards to this suspension control arm. The part is evaluated through dimensional and material analysis, temperature cycling, and salt spray exposure to support consistent fit and durability expectations.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Buick | LaCrosse | Front Right Lower | — |
| 2017 | Buick | LaCrosse | Front Right Lower | — |
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