A reliable fuel injection main relay is crucial for your vehicle's performance and longevity. This small but vital component ensures proper fuel delivery, preventing stalling and starting issues. Selecting a high-quality replacement can save you from costly repairs and keep your car running smoothly.
Looking for the best Automotive Replacement Fuel Injection Main Relays?
Discover now our comparison of the best Automotive Replacement Fuel Injection Main Relays. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Fuel Injection Main Relays are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Fuel Injection Main Relays in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
- Country Of Origin : United States
- The Package Height Of The Product Is 2.7 Inches
- The Package Length Of The Product Is 5.3 Inches
- The Package Width Of The Product Is 3.78 Inches
- Part Number: Ry-1500
- Country Of Origin: United States
- Package Dimensions: 8.83" L X 6.938" W X 2.642" H
- Package Weight: 4.847 Pounds
- Specs: Relay, Main (Main Relay); OE#85915-30050 / 8591530050. Condition: New. Fitment type: direct replacement by OE number. Function: switches power for Electronic Fuel Injection (EFI) system circuits (main relay). Keywords: EFI main relay, fuel...
- Install tips: disconnect the battery before service; locate the main relay per your fuse/relay box cover diagram or vehicle manual, then pull straight up and seat the new relay fully. Important: confirm the terminal layout/pin pattern matches your...
- Compatible with 1998-2007 Toyota Land Cruiser Electronic Fuel Injection System Relay
- Compatible with 1998-2007 Lexus LX470 Electronic Fuel Injection System Relay
- Related OEs to check during EFI power/starting diagnosis (confirm by VIN/manual): 90987-02022 (Circuit Opening Relay Assembly), 90987-04004 (Relay). Platform keywords (search only): UZJ100 / 2UZFE. These items may be inspected together when...
- This DENSO Fuel Injection Main Relay is compatible with Toyota Tacoma 2003, 2002, 2001, 2000, 1999, 1998
- Genuine DENSO Parts
- Includes original packaging and hardware
- Direct replacement auto parts
- Confirm vehicle fitment with Amazon Confirmed Fit
- 【Warranty】18 months.（Long life with high robust plastic housing materials, not easy cracking）
- 【Feature】▲Pin Count: 6-Pins ▲Blade Type. ▲7-Prong Male terminal. ▲Voltage: 12V
- 【Easy Installation】▲Direct fit OEM Replacement Control Arm from Evan-Fischer. ▲Convenience to use.
- 【Interchange Part Number】39400-SV4-003, 39400-SM4-003, 39400-SL5-A01, 39400-SR3-003, 39400-S01-A01, 39400-S10-003, 39400-S1-000, RZ-0088, RZ-0159, RZ-0132, RY422, RY169, 1R1033
- 【Service Guaranteed】100% must pass a rigorous professional practice loading test before shipment.The rigorous and meticulous processing process and uses qualified materials that are resistant to high temperatures and corrosion.Quality comparable to...
- Rapidly dissipates heat for cooler operating temperatures and longer part life
- Precise short-circuit protection
- Mounting and connectors identical to OE
- OE form, fit and function for precise fit and reliable operation
- Precise fit and size for ease of installation
- Made in United States
- Fit type: Vehicle Specific
- Package Weight: 4.847 pounds
- Package Dimensions : 8.83" x 6.938" x 2.642"
- Country Of Origin : China
- The Package Height Of The Product Is 3.56 Inches
- The Package Length Of The Product Is 6.99 Inches
- The Package Width Of The Product Is 4.81 Inches
- Genuine Acura part that fits your specific vehicle
- ECM Relay
- Part Number: 39400-SV4-003
- Manufactured to meet specifications for fit, form, and function
- Intermotor Relay (RY667)
- Standard Motor Products RY-667 Main Relay
- Package height: 3.048 centimeters
- Item package weight: 0.45 pounds
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Last update on 2026-03-21 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Fuel Injection Main Relays
Compatibility is Key
- Always verify the part number of your existing relay against the replacement.
- Consult your vehicle's owner's manual or a reputable online parts database for confirmed compatibility.
- Ensure the replacement relay matches the specifications (voltage, amperage) required by your car's fuel system.
Brand Reputation and Quality
- Opt for relays from established automotive parts manufacturers known for their reliability.
- Look for relays constructed with durable materials to withstand engine bay temperatures and vibrations.
- Read reviews from other vehicle owners to gauge the long-term performance and failure rates of different brands.
Warranty and Durability
- Check the warranty period offered by the manufacturer. A longer warranty often indicates greater confidence in the product's durability.
- Consider relays designed for longevity and resistance to common failure modes.