HomeDorman 540-161 Suspension Knuckle Bushing - Rear Lower
Part #: 540-161

Dorman 540-161 Suspension Knuckle Bushing - Rear Lower

Rear Lower
⚙️ 8 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$17.87Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, CTS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

OE-Style Rear Lower Bushing for Cadillac CTS

Dorman 540-161 is a suspension knuckle bushing built as a standard replacement for the original equipment part on select Cadillac CTS applications. It uses steel and rubber construction to restore the rear lower trailing arm mounting point with a direct-fit service part.

Key Features

  • Precision-engineered suspension knuckle bushing for OE-style replacement
  • Steel and rubber construction for the rear lower suspension location
  • Black and silver finish
  • Standard replacement grade for service repair
  • Fits select 2008-2015 Cadillac CTS rear lower trailing arm bushing applications

Product Details

This Dorman suspension knuckle bushing, part number 540-161, is made for rear lower trailing arm bushing service on Cadillac CTS models. It is engineered and tested to replace the original equipment bushing on specific vehicles, helping maintain the suspension connection at the knuckle and trailing arm interface. For buyers searching for a Cadillac CTS rear lower trailing arm bushing or Dorman 540-161 replacement, this part provides a direct service solution for the listed applications.

This part cross-references MOOG Chassis Products K200641 for the same application.

What It Helps Address

  • Excess movement at the rear lower suspension mounting point
  • Worn rubber causing looseness or degraded suspension feel
  • Noise from a deteriorated trailing arm bushing
  • Suspension alignment changes related to bushing wear
  • Service replacement for a damaged Cadillac CTS knuckle bushing

Installation Notes and Tips

Verify vehicle year and rear lower position before installation. This bushing does not include mounting hardware. Because suspension bushings are press-fit service components, proper removal and installation tools are recommended to avoid damage to the knuckle or trailing arm assembly. Confirm inside diameter, outside diameter, and length against the original part before service.

Quality Assurance

Dorman states this suspension knuckle bushing is precision-engineered and rigorously tested for reliable replacement on the specified vehicles. It is supplied as a standard replacement part for select Cadillac CTS rear lower trailing arm bushing applications.

BrandDorman
Part Number540-161
MaterialAcero, goma
MaterialRubber
MaterialSteel
Length46
ColorBlack
ColorNegro
ColorPlateado
ColorSilver
Inside Diameter14.5
Outside Diameter41.4
Mounting Hardware IncludedNo
Mounting Hardware IncludedNon
Grade TypeReemplazo estándar
Grade TypeStandard replacement
Contenidos del paquete1 buje
Package Contents1 bushing

This part fits 8 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2015CadillacCTSCoupeRear LowerTrailing Arm Bushing
2014CadillacCTSWagonRear Lower
2013CadillacCTSRear LowerTrailing Arm Bushing
2012CadillacCTSRear LowerTrailing Arm Bushing
2011CadillacCTSRear LowerTrailing Arm Bushing
2010CadillacCTSRear LowerTrailing Arm Bushing
2009CadillacCTSRear LowerTrailing Arm Bushing
2008CadillacCTSRear LowerTrailing Arm Bushing

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

602.62175FA7890JBU1973K200641

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.