FREE SHIPPING
Free shipping on every order — no minimum purchase required.DESCRIPTION
Coolant Reservoir for 04-09 Hummer H2 — Direct replacement part (OEM number 3403989) designed to hold and regulate engine coolant flow on your H2.
- Fits 2004-2009 Hummer H2 models
- OEM part number 3403989
- Durable plastic construction
- Pre-marked fill level indicators
Keeps your cooling system functioning reliably with proper coolant capacity and visibility for maintenance checks.
SHIPPING & RETURNS
SHIPPING
- Free Shipping on all orders — no minimum purchase required.
- Orders are dispatched within 24 hours of purchase (business days).
- Estimated delivery: 2–5 business days within the contiguous United States.
- Tracking information emailed as soon as your order ships.
RETURNS
- Returns accepted — we want you to be completely satisfied.
- If a part does not fit or is not as described, contact us within 7 days for a return.
- Items must be in original, unused condition and in original packaging.
- Contact us at sales@findmypart.shop or call (803) 723-7074 to initiate a return.
WARRANTY
- 1-Year extended warranty available at additional cost — ask us for details.
- All parts sold are covered by our own 1 year warranty.
FITMENT & COMPATIBILITY
Please verify that this part is compatible with your vehicle's year, make, model, and trim level before ordering. Part numbers and fitment details are listed in the product description. If you have any questions about compatibility, our team is happy to help — contact us by phone or email before purchasing.
Phone: (803) 723-7074
Email: sales@findmypart.shop
Hours: Mon–Fri, 9am–5pm EST
Recently Viewed Parts
Why Shop with Find My Part?
- SHIPS IN 24 HOURSOrders dispatched within one business day, delivered in 2–5 business days.
- EASY RETURNSHassle-free returns. Not happy? We'll make it right.
- LIVE SUPPORTPhone & live chat support available Mon–Fri, 9am–5pm EST.