PLUG - EXPANSION (Mitsubishi MB1H9721)
Code: MB1H9721
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Product Details
- Aftermarket Replacement For
- Mitsubishi
- Warranty
- 6 months
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Fast Shipping
6 Mo. Warranty
7-Day Returns
A damaged expansion plug can allow coolant or oil to leak from a sealed passage. During inspection, an expansion plug may show corrosion or pitting that compromises its seal. This aftermarket replacement part references Mitsubishi as the OE maker and cross-references part number MB1H9721. The plug type seals a core opening in a cast housing using a press-fit or tapered design. A failed plug often leads to gradual fluid loss and potential overheating if not addressed. Keeping an expansion plug in sound condition helps maintain closed-system pressure. Verify the serial number or application, then call (562) 693-7748.
Part number variants: MB1H9721, mb1h9721
| SKU | MB1H9721 |
|---|---|
| Aftermarket Replacement For | Mitsubishi |
| Warranty | 6 months |
| Condition | New Aftermarket |
| Backorderable | No |
| Categories | mb, mitsubishi, tvh, TVH_BUCKET:MB:mb1, TVH_MAKE:MB |
Shipping
- Most orders ship within 1-2 business days from our Whittier, CA warehouse.
- Standard shipping via UPS or USPS. Expedited options available at checkout.
- Free shipping on select orders. Contact us for shipping estimates.
- Same-day local pickup available. Call (562) 693-7748 to arrange.
Returns
- 7-day return policy on all unused parts in original packaging.
- Contact us at (562) 693-7748 or submit a parts inquiry to initiate a return.
- Defective parts are covered under our 6-month warranty.
Warranty
- All parts include a 6-month warranty against manufacturer defects.
- Warranty does not cover wear-and-tear, misuse, or improper installation.
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