Direct: (503) 987-4002
Main: (503) 987-4000





Maximize your driving range with the S&B 45 Gallon Replacement Fuel Tank, engineered for 2019–2025 Mercedes Sprinter 144" and 170" wheelbase vans as well as select Winnebago RV models. Replacing the factory 24-gallon tank, this upgrade nearly doubles capacity while maintaining a factory fit and finish.
Plug-and-play installation – direct replacement using included straps and hardware
Almost double the fuel range – 45 gallons vs. OEM 24 gallons
Durable build – constructed from ¼” thick crosslink polyethylene for strength and reliability
Fuel gauge compatible – accurate with J51-equipped vans (auxiliary fuel tap optimized)
Backed by a lifetime warranty for complete confidence
We ship nationwide and internationally. Most in-stock items leave our shop within 1–3 business days. Made-to-order and oversized parts may require additional lead time; any special timing will be noted on the product page.
If an order is placed outside of our normal business hours (Monday–Friday), we will process it as soon as possible once our team is back in the shop during regular operating hours. Weekend orders will be handled the next business day.
We want you stoked on your gear. Eligible items may be returned within 30 days of delivery for a refund or exchange.
Many products include a manufacturer warranty. We’re happy to help facilitate claims—reach out with your order number, photos, and a description of the issue.
Questions about shipping or returns? Get in touch—our team is here to help you get trail-ready.
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