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Free shipping on every order — no minimum purchase required.DESCRIPTION
1994-1997 Mazda Miata MX5 OEM B577 Fuel Pump Relay – Genuine Denso relay for 1.8L NA Miata models. This original equipment relay controls fuel pump operation and is essential for reliable engine starting and fuel delivery.
- Denso OEM part number 056700-9721
- Fits 1994-1997 Mazda Miata MX5 1.8L
- B577 relay specification
- Direct replacement for factory fuel pump control
Critical component for fuel system function – replace if your Miata won't start or fuel pump fails to engage.
SHIPPING & RETURNS
SHIPPING
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- 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
- Exchanges 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 an exchange.
- Items must be in original, unused condition and in original packaging.
WARRANTY
- 1-Year extended warranty available at additional cost — ask us for details.
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.
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