Peak Pro Series Coolant

Brand: Peak | Part #OIL-5E9661

Category: Oil & Fluids > Coolant

The Peak Pro Series Coolant (P/N OIL-5E9661) is a direct-fit Coolant for the vehicles listed in the fitment section. Low-volatility base stock helps reduce oil consumption between change intervals and protects seals and gaskets from premature drying. Sourced from Peak, a recognized supplier in the aftermarket auto parts channel. Part number OIL-5E9661 is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2018–2025 Buick, Subaru, Toyota, Jeep including Enclave, Envision, Encore GX, Legacy, Solterra, Highlander. 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: $25.99 | In stock — ships within 1-2 business days. Free shipping on orders over $75.