Peak Heavy-Duty Windshield Washer Fluid

Brand: Peak | Part #OIL-84B3C6

Category: Oil & Fluids > Windshield Washer Fluid

The Peak Heavy-Duty Windshield Washer Fluid (P/N OIL-84B3C6) is a direct-fit Windshield Washer Fluid for the vehicles listed in the fitment section. Formulated to meet current OEM service-fill specifications, with a stable viscosity profile across cold-start and hot operating ranges. Sourced from Peak, a recognized supplier in the aftermarket auto parts channel. Part number OIL-84B3C6 is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2016–2023 Subaru including Legacy, Ascent. Use the year/make/model selector above to verify your exact configuration before checkout. Ships from a US warehouse in 1–2 business days. Free shipping on orders $75+, flat-rate ground otherwise. 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: $48.99 | In stock — ships within 1-2 business days. Free shipping on orders over $75.

Vehicle Compatibility

Compatible Makes: Subaru

Compatible Models: Legacy, Ascent

Year Range: 2016–2023