TRW Premium Idler Arms

Brand: TRW | Part #STR-C4A8F4

Category: Steering > Idler Arms

The TRW Premium Idler Arms (P/N STR-C4A8F4) is a direct-fit Idler Arms for the vehicles listed in the fitment section. Boot material resists ozone, oil, and road debris, keeping grease in and contamination out for the life of the part. Sourced from TRW, a recognized supplier in the aftermarket auto parts channel. Part number STR-C4A8F4 is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2007–2012 Cadillac including Escalade ESV, XT4, XT5. Use the year/make/model selector above to verify your exact configuration before checkout. In-stock items leave the warehouse within one business day. Free shipping over $75; ground delivery is 3–7 business days nationwide. Backed by a 90-day return window — if the part doesn't fit or the wrong unit was shipped, send it back for a full refund.

Price: $58.99 | In stock — ships within 1-2 business days. Free shipping on orders over $75.