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The K&N 81-0403 Performance Electric Fuel Pump delivers consistent, reliable fuel flow for a variety of diesel engine applications. Designed with a universal 12-volt configuration, it provides approximately 34 gallons per hour at 7–10 psi—ideal for steady, low-pressure fuel delivery. Its self-regulating mechanism prevents vapor lock and flooding, ensuring smooth engine performance even under demanding conditions.
Built with K&N’s signature durability, the 81-0403 features a compact design that installs easily in most vehicle configurations. The included inline fuel filter and mounting hardware make installation straightforward, while the pump’s compatibility with multiple fuel types offers versatility for both daily drivers and custom builds. Constructed to handle heavy-duty use and compliant with Prop 65 regulations, this electric fuel pump provides dependable performance and long service life.
Features:
Universal fit design suitable for a wide range of diesel and low-pressure fuel systems
Self-regulating 12-volt operation maintains steady 7–10 psi fuel pressure
Delivers up to 34 gallons per hour for reliable flow
Includes fuel filter and installation hardware for quick setup
Compact construction fits easily into tight engine bays
Compatible with most fuels for broad application versatility
Engineered for long-lasting reliability under demanding conditions
Meets Prop 65 safety standards (not CARB-approved)
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
