Fuel Injector - 321-0990

  • Our fuel injectors deliver precise fuel injection to optimize engine performance and fuel efficiency.
  • Manufactured with OEM-compatible design, they ensure a perfect fit for seamless installation across various vehicle models.
  • 100% tested for precision and durability

Specifications

Condition New
Type Fuel Injector
Fuel Type Diesel
Manufacturer Part Number 2645A743
OE Number 321-0990

Vehicle Fitment

For CaterpillarCAT C6.6

1 x Fuel Injector

Installation Steps

  1. Cool Down: Make sure the engine is cool and clean the injector area.
  2. Remove: Carefully remove the old injector using proper tools.
  3. Install: Insert the new Rayfuel injector with the included washer.
  4. Tighten: Torque according to vehicle specifications.
  5. Prime: Prime the fuel system and check for leaks.
  6. Start: Start the engine and let it idle for a few minutes to stabilize.

Important Notes

  • Verify OE number or Manufacturer Part Number before purchase.
  • Professional install is highly recommended. Installation instructions not included.
  • Please leave your physical address (home or office). Do not leave P.O. Box addresses.
  • Check fitment carefully before purchase. Or just tell us the part number you need.

Shipping

  • We offer two shipping methods: Expedited and Economy.
  • Please leave your full name, telephone number, and full address when ordering.
  • We ship to your eBay or PayPal address. Make sure both are correct before paying.
Shipping Method Region Estimated Time
Expedited USA 3–8 days
Western Europe 3–9 days
Eastern Europe, South America 4–12 days
Japan, Singapore, Thailand, Malaysia, India 4–6 days
Other countries 7+ days
Economy USA, Australia 15–25 days
Western Europe, Canada 30–50 days
Eastern Europe, South America 30–60 days
Japan, Singapore, Thailand, Malaysia, India 20–50 days
Other countries About 50 days

Return Policy

  • The buyer has 30 days to return for refund or replacement.
  • The buyer pays for shipping fees of the returned product.
  • The returned item must be in resalable condition and in original packaging.

Warranty

12-month warranty included. Contact us for any quality-related issues.

Customs

Buyer is responsible for any customs duties or taxes. Please confirm local policy before purchase.

Contact Us

If you have any questions or concerns, feel free to reach out to us. We usually respond within 24 hours on business days.

  • Before purchasing: click “Ask a Question” at the bottom of this page.
  • After purchasing: click “Contact Seller” in your eBay purchase history.