ACDelco OE Replacement Idler Arms

Brand: ACDelco | Part #STR-D7B2A4

Category: Steering > Idler Arms

The ACDelco OE Replacement Idler Arms (P/N STR-D7B2A4) is a direct-fit Idler Arms for the vehicles listed in the fitment section. Fits factory mounting points with no fabrication, drilling, or shimming required for installation. Sourced from ACDelco, a recognized supplier in the aftermarket auto parts channel. Part number STR-D7B2A4 is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2016–2025 Mazda including CX-9. Use the year/make/model selector above to verify your exact configuration before checkout. Same- or next-business-day handling on in-stock orders. Free US shipping over $75 — no surprise oversized fees on this item. 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: $31.99 | In stock — ships within 1-2 business days. Free shipping on orders over $75.