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⛽ Upgrade your ride with precision fuel injection — don’t get left behind!
The FJ503 4.3L V6 Spider Fuel Injector Kit by TEKKOAUTO is a robust OEM replacement designed for a wide range of 1996-2002 GMC, Chevy, and Isuzu pickups. Featuring durable metal and plastic construction, it ensures precise fuel delivery with easy plug-and-play installation, making it a smart choice for professional-grade vehicle maintenance and performance restoration.
| ASIN | B09B8PVTB9 |
| Best Sellers Rank | #156,621 in Automotive ( See Top 100 in Automotive ) #189 in Automotive Replacement Fuel Injectors |
| Brand Name | TEKKOAUTO |
| Customer Reviews | 3.6 3.6 out of 5 stars (49) |
| Inlet Connection Size | 0.5 Inches |
| Inlet Connection Type | fuel injector connector |
| Item Dimensions | 14.1 x 5.31 x 6.1 inches |
| Manufacturer | TEKKOAUTO |
| Material Type | Metal, Plastic |
| Model Number | FJ503 |
| Number of Ports | 1 |
| Outlet Connection Size | 4 Inches |
| Outlet Connection Type | 4-bolt, flanged connection |
| Unit Count | 1.0 Count |
| Valve Type | Fuel Injector Valve |
D**X
Quality product.
Very fast shipping.
D**O
Not impressed, parts are crap
I am outside my return date, of May 10. One of the injectors is not squirting any gas pulls code 200 have done all troubleshooting even cleaned seafoam and has spark. The spider is crap and would never buy from you again
B**N
Fits perfect works great
Bought for my 02 silverado and fitment was great, been installed for a few months now and working great
S**E
Cheap
It fixed my s10 from flooding my spark plugs
M**Z
It's not what I expected, it decreased power. Now it takes longer to pick up speed.
I dont like that it decreased power and takes much longer to pick up speed. The tips kept coming off. And im not even sure if it's installed correctly due to no instructions. But it's on amd I will soon buy an original injectors.
D**.
Injector was good but please watch the regulator gasket.
Pretty straight forward injector. The gasket for the pressure regulator was installed incorrectly and leaked everywhere. I had to take it apart and place it in the correct location. The green gasket goes in the middle of the regulator and not towards the back.
R**E
Bad parts
Terrible quality the fuel pressure regulator was bad and filled my cylinders with fuel and almost burned my vehicle to the ground.
D**Y
This unit will not last
Installed this on my 2005 silverado 4.3 on 2-3-24 and unit failed spraying fuel and hydro locking engine on 3-2-24. Unfortunately it's out of date to return and no warranty available. Save your money and buy a quality one otherwise you will be buying it twice
Trustpilot
2 weeks ago
2 months ago