20 Best 4.3 Vortec Spider Injector in 2024 Reviews and Buying Guide

3,004 Reviews Scanned

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1 LOREADA FJ503 Spider Fuel Injector 6 Cylinder Replacement for Chevy Express Silverado P30 K1500 GMC... LOREADA FJ503 Spider Fuel Injector 6 Cylinder Replacement for Chevy Express Silverado P30 K1500... No ratings yet
2 TamerX Vortec Spider Fuel Injector Assembly with Plenum Gasket Kit for Chevrolet/GMC 4.3L TamerX Vortec Spider Fuel Injector Assembly with Plenum Gasket Kit for Chevrolet/GMC 4.3L
3 YZHIDIANF Upgraded FJ503 4.3L Spider Fuel Injector Vortec Fit For:-Chevy Astro Blazer Silverado 1500... YZHIDIANF Upgraded FJ503 4.3L Spider Fuel Injector Vortec Fit For:-Chevy Astro Blazer Silverado... No ratings yet
4 TamerX Vortec Spider Fuel Injector Assembly for Chevrolet/GMC 4.3L TamerX Vortec Spider Fuel Injector Assembly for Chevrolet/GMC 4.3L No ratings yet
5 Tykick FJ503 Spider Fuel Injector Replacement For Chevy Silverado 1500 S10 P30 Blazer GMC Sonoma... Tykick FJ503 Spider Fuel Injector Replacement For Chevy Silverado 1500 S10 P30 Blazer GMC Sonoma... No ratings yet
6 YZHIDIANF Upgraded FJ503 4.3L Vortec Spider Fuel Injector Fit For:-Chevy Astro Blazer S10 Silverado... YZHIDIANF Upgraded FJ503 4.3L Vortec Spider Fuel Injector Fit For:-Chevy Astro Blazer S10... No ratings yet
7 FJ503 Spider Injector Fuel Injector Assembly Compatible with Chevy Astro Blazer Express 1500 2500... FJ503 Spider Injector Fuel Injector Assembly Compatible with Chevy Astro Blazer Express 1500 2500... No ratings yet
8 SZKAIDAG Upgraded Spider Fuel Injector, for:-Chevy Astro Blazer C1500 Express, for:-GMC Jimmy K1500... SZKAIDAG Upgraded Spider Fuel Injector, for:-Chevy Astro Blazer C1500 Express, for:-GMC Jimmy... No ratings yet
9 Woosphy Central Fuel Spider Injector w/Bracket Replacement for Chevy Astro Blazer C1500 Express... Woosphy Central Fuel Spider Injector w/Bracket Replacement for Chevy Astro Blazer C1500 Express... No ratings yet
10 YZHIDIANF FJ503 Vortec Spider 4.3L Fuel Injector Fit For:-Chevy Silverado 1500 Astro Blazer Express... YZHIDIANF FJ503 Vortec Spider 4.3L Fuel Injector Fit For:-Chevy Silverado 1500 Astro Blazer...
11 FJ503 Fuel Injector Compatible with Chevy Blazer S10 Express Silverado Astro GMC Jimmy 1500 C1500... FJ503 Fuel Injector Compatible with Chevy Blazer S10 Express Silverado Astro GMC Jimmy 1500 C1500... No ratings yet
12 Nakkaa FJ503 Spider Fuel Injector w/Bracket V6 Compatible with Savana Sierra Safari Express Astro... Nakkaa FJ503 Spider Fuel Injector w/Bracket V6 Compatible with Savana Sierra Safari Express Astro... No ratings yet
13 OEMCSP Spider Fuel Injector FJ503 w/Retaining Bracket SCPI to MPFIFJ10565 217-3028 12568332 For... OEMCSP Spider Fuel Injector FJ503 w/Retaining Bracket SCPI to MPFIFJ10565 217-3028 12568332 For... No ratings yet
14 Standard Motor Products FJ503 Fuel Injector Standard Motor Products FJ503 Fuel Injector No ratings yet
15 TEKKOAUTO FJ503 4.3L V6 Spider Fuel Injector Kit Replacement for GMC Chevy Pickup Isuzu FJ10565... TEKKOAUTO FJ503 4.3L V6 Spider Fuel Injector Kit Replacement for GMC Chevy Pickup Isuzu FJ10565... No ratings yet
16 B.ZSSY FJ503 Spider Fuel Injectors 6 Cylinder Compatible for Chevy Express Silverado 1500 Astro... B.ZSSY FJ503 Spider Fuel Injectors 6 Cylinder Compatible for Chevy Express Silverado 1500 Astro... No ratings yet
17 AUS Injection CP50103-6 Remanufactured Central Port Fuel Injector Assembly (Renewed) AUS Injection CP50103-6 Remanufactured Central Port Fuel Injector Assembly (Renewed)
18 FJ503 Spider Fuel Injector Replacement for Chevy Express Silverado 1500 Astro Blazer GMC Sierra... FJ503 Spider Fuel Injector Replacement for Chevy Express Silverado 1500 Astro Blazer GMC Sierra... No ratings yet
19 6 Cylinder FJ503 Spider Fuel Injector Assembly Compatible for Trucks Vortec 4.3L 1996-2002 Fuel... 6 Cylinder FJ503 Spider Fuel Injector Assembly Compatible for Trucks Vortec 4.3L 1996-2002 Fuel... No ratings yet
20 Vphix FJ503 Spider Fuel Injectors for 1996-2014 Chevrolet Blazer C1500 K1500 Express 1500 2500 Astro... Vphix FJ503 Spider Fuel Injectors for 1996-2014 Chevrolet Blazer C1500 K1500 Express 1500 2500... No ratings yet

Bestseller No. 1
LOREADA FJ503 Spider Fuel Injector 6 Cylinder Replacement for Chevy Express Silverado P30 K1500 GMC...
  • 【FJ503 Replace Part Numer】 FJ503 Fuel Injectors: 19210688, 12568332, 88894353; Fuel Injectors Motor : 17113273; Replace: FJ503, FJ10565,...
  • 【Confirmed Fit】 Fuel Spider Injector for 4.3L V6 Engine compatible with 1996-2005 Chevrolet Astro; 1996-2005 Chevrolet Blazer; 1996-1998 Chevrolet...
  • 【Confirmed Fit】Automotive Replacement Fuel Injectors for 1996-1998 GMC K1500; 1996-2002 GMC Jimmy; 1996-1999 GMC P3500; 1996-1998 GMC C1500;...
  • 【Function】High Quality Fuel injectors can effectively prevent fuel exposure, reduce fuel waste, improve fuel utilization, and minimize stickiness...
  • 【Customer Service】 We offer ONE Year free return or refund Warranty. This FJ503 Spider Fuel Injector comes as shown in the picture, Please read...
Bestseller No. 2
TamerX Vortec Spider Fuel Injector Assembly with Plenum Gasket Kit for Chevrolet/GMC 4.3L
  • Includes all necessary parts and gaskets to perform a complete installation.
  • Ensures smooth engine operation, cleaner emissions, improved fuel economy, and increased performance.
  • Includes complete gasket set that kits from other manufacturers do not offer.
  • High Quality
  • Compatible with CHEVROLET / GMC, ENGINE: 4.3L VORTEC, YEAR: 1996-2001
Bestseller No. 3
YZHIDIANF Upgraded FJ503 4.3L Spider Fuel Injector Vortec Fit For:-Chevy Astro Blazer Silverado 1500...
  • 【Application】Fits For:-Chevy 1996-2005 Astro 4.3L V6, 1996-2004 Blazer 4.3L V6, 1996-1998 C1500 4.3L V6, 1996-2006 Express 1500 4.3L V6, 1996-2005...
  • 【OEM】FJ503, 12568332, 17113673, 322-04819, 217-3028, 16-9706, FJ10565, 8001512N, 4G1887, 240408, 217-3252, FJ10565-11B1. Please use "amazon...
  • 【Fully Demonstrate Power】Fuel injector Are Manufactured To The OE Specification To Provide Factory-fresh Appearance And Direct-fit, That Promote...
  • 【100% Strict Quality Control】During Each Step Of Production Multiple Quality Control Checks Are Performed To Meet Or Exceed Oe (Original...
  • 【High Quality Material】Craft With Stainless Steel Slide And Spring Assembly, Leading To Longer Service Life Of Fuel Injection System. Replacement...
Bestseller No. 4
TamerX Vortec Spider Fuel Injector Assembly for Chevrolet/GMC 4.3L
  • TamerX Spider Fuel Injector Assembly Central Port Injection We guarantee fit and function.
  • This TamerX central port fuel injection assembly for the 1996-2001 Chevrolet/GMC Spider Fuel Injector Assembly GM 4.3L GM V6 Engine. This is a...
  • The TamerX Spider Assembly is 100% tested to meet or exceed OEM specifications. The replacement of your old unit with the TamerX Spider will provide...
  • The assembly comes with new Viton O-Rings, Fuel Pressure Regulator. Application: Make: Chevrolet,GMC Model: SUV, Truck Engine: 4.3L V6 Year: 1996-2001...
Bestseller No. 5
Tykick FJ503 Spider Fuel Injector Replacement For Chevy Silverado 1500 S10 P30 Blazer GMC Sonoma...
  • 【New Upgrade】1、Focus on solving the problem of difficult to adjust the nozzle angle of the injector,Can Manually AdjustableAngle 0-360°....
  • 【confirmedfit myFitment 1】Fuel Spider Injector Replacement Compatible with GMC Sonoma 1996-2002,GMC Sierra 1500 1999-2002,GMC Savana 1500...
  • 【confirmedfit myFitment 2】Fuel injectors Compatible with Chevrolet Silverado 1500 1999-2002,Chevy S10 1996-2002,Chevrolet P30 1996-1999,Chevrolet...
  • 【Compatible with OEM Part...
  • 【Quality Guarantee】Within half a year after purchase, if there is any quality problem, it can be replaced for free.
Bestseller No. 6
YZHIDIANF Upgraded FJ503 4.3L Vortec Spider Fuel Injector Fit For:-Chevy Astro Blazer S10 Silverado...
  • ⭐⭐⭐⭐⭐【OEM Numbers】FJ503, 12568332, 17113673, 322-04819, 217-3028, 16-9706, FJ10565, 8001512N, 4G1887, 240408, 217-3252, FJ10565-11B1....
  • 🔥【Application】Fits 🔥For:-Chevy 1996-2005 Astro 4.3L V6, 1996-2004 Blazer 4.3L V6, 1996-1998 C1500 4.3L V6, 1996-2006 Express 1500 4.3L V6,...
  • 🔥【High Quality Material】Craft With Stainless Steel Slide And Spring Assembly, Leading To Longer Service Life Of Fuel Injection System....
  • 🔥【Fully Demonstrate Power】Fuel injector Are Manufactured To The OE Specification To Provide Factory-fresh Appearance And Direct-fit, That...
  • 🔥【100% Strict Quality Control】During Each Step Of Production Multiple Quality Control Checks Are Performed To Meet Or Exceed Oe (Original...
SaleBestseller No. 7
FJ503 Spider Injector Fuel Injector Assembly Compatible with Chevy Astro Blazer Express 1500 2500...
  • Multi-Port Fuel Injection Replacement - This Spider Fuel Injector is a specific type of fuel injection system commonly, used in multi-port fuel...
  • Features & Benefits - Stainless-steel calibration slide and spring assembly prevents corrosion within the fuel control body, which leads to an...
  • Ensure Fit - Compatible with Chevy 1996-2001 Astro, 1996-2002 Blazer, 1996-1998 C1500, 1998-2002 Express 1500, 1998-2002 Express 2500, 1996-1998...
  • Replaces Part Number - FJ503, 12568332 19210688, FJ10565, 800-1512N,the main function of this multi-port fuel injector assembly is to deliver the...
  • 1 Year Warranty - We promise 12-Month Warranty for all of Rocklike Promise Auto parts, if this spider fuel Injector fails or stops working on your...
Bestseller No. 8
SZKAIDAG Upgraded Spider Fuel Injector, for:-Chevy Astro Blazer C1500 Express, for:-GMC Jimmy K1500...
  • ⭐⭐⭐⭐⭐【FITMENTS】Fits For:-Chevy 1996-2005 Astro, 1996-2005 Blazer, 1996-1998 C1500, 1996-2006 Express 1500, For:-GMC 1996-1998 C1500,...
  • 🍀【OEM】 OE Numbers:FJ503, 12568332, 17113673, 322-04819, 217-3028, 16-9706, FJ10565, 8001512N, 4G1887, 240408, 217-3252, FJ10565-11B1
  • 🍀【IMPROVED FUEL EFFICIENCY】The Spider Fuel Injector is designed to enhance fuel efficiency by providing precise fuel delivery to each cylinder....
  • 🍀【ENHANCED ENGINE PERFORMANCE】Experience a noticeable boost in engine performance with the Spider Fuel Injector. By delivering fuel at the...
  • 🍀【DURABILITY AND RELIABILITY】Constructed with high-quality materials, the Spider Fuel Injector is built to last. It is engineered to withstand...
SaleBestseller No. 9
Woosphy Central Fuel Spider Injector w/Bracket Replacement for Chevy Astro Blazer C1500 Express...
  • Interchange part OEM part number: 12568332, 19210688, 89060439, 17114164
  • Replacement for Chevy Astro 1996-2001, Blazer 1996-2002, C1500 1996-1998
  • Replacement for Chevy Express 2500 1996-2002, K1500 1996-1998, P30 1996-1999
  • Replacement for Chevy S10 1996-2002, Silverado 1500 1999-2002, C1500 1996-1998
  • Replacement for GMC Sonoma 1996-2002, Replacement for Isu-zu Hombre 1997-2000, Replacement for Olds-mobile Bravada 1996-2001
Bestseller No. 10
YZHIDIANF FJ503 Vortec Spider 4.3L Fuel Injector Fit For:-Chevy Silverado 1500 Astro Blazer Express...
  • OEM Numbers: FJ503, 12568332, 17113673, 322-04819, 217-3028, 16-9706, FJ10565, 8001512N, 4G1887, 240408, 217-3252, FJ10565-11B1. Flow 214 ml/min...
  • Fitment: Fits For:-Chevy 1996-2005 Astro 4.3L V6, 1996-2004 Blazer 4.3L V6, 1996-1998 C1500 4.3L V6, 1996-2006 Express 1500 4.3L V6, 1996-2005 Express...
  • High Quality Material: Craft With Stainless Steel Slide And Spring Assembly, Leading To Longer Service Life Of Fuel Injection System. Replacement Fuel...
  • Fully Demonstrate Power: Fuel injector Are Manufactured To The OE Specification To Provide Factory-fresh Appearance And Direct-fit, That Promote...
  • 100% Strict Quality Control: During Each Step Of Production Multiple Quality Control Checks Are Performed To Meet Or Exceed Oe (Original Equipment)...
Bestseller No. 11
FJ503 Fuel Injector Compatible with Chevy Blazer S10 Express Silverado Astro GMC Jimmy 1500 C1500...
  • 【Upgrade Your Engine】XunDong FJ503 Spider Fuel Injector Assembly is designed to deliver a precise and consistent fuel spray pattern, ensuring...
  • 【Perfect Fits】Not only does our s10 fuel injector deliver superior performance, but it is also direct replacement for the OE# 12568332, FJ10565,...
  • 【Wide Compatibility】The silverado fuel injector Compatible for 4.3L Engine Chevrolet Astro 1996-2005, Express1500 1996-2006, Blazer 1996-2005, P30...
  • 【Well-made】The 4.3 spider injector is manufactured to meet or exceed OEM specifications, ensuring durability and longevity. Made from high-quality...
  • 【Satisfaction Guarantee】The express 1500 fuel injector comes with a no-worry 12-month warranty. Each product has undergone rigorous testing and...
Bestseller No. 12
Nakkaa FJ503 Spider Fuel Injector w/Bracket V6 Compatible with Savana Sierra Safari Express Astro...
  • Compatible with Astro 1996-2005, Blazer 1996-2005, C1500 Pickup 1996-1998, Express1500 1996-2006, Express 2500 1996-2005, K1500 Pickup1996-1998, P30...
  • Reference Part Number: FJ503, 12568332, 217-3028, FJ503, 16-9706, FJ10565, 800-1512N
  • Compatible with C1500 Pickup 1996-1998, Jimmy 1996-2002, K1500 Pickup 1996-1998, P3500 1996-1999, Safari 1996-2005, Savana 1500 1996-2006.
  • The fuel injector is a fuel delivery component that’s responsible for spraying gasoline or diesel into the combustion chambers. It’s simply a...
  • Direct replacement for the broken one and easy installation. Please confirm the part number and vehicle models before ordering.
Bestseller No. 13
OEMCSP Spider Fuel Injector FJ503 w/Retaining Bracket SCPI to MPFIFJ10565 217-3028 12568332 For...
  • Spider Fuel Injector 6 Cylinder w/Retaining Bracket for 1996-2002 Chevy Chevrolet GMC GM Truck Pickup V6 4.3L FJ10565 FJ503 217-3028 12568332 89060439
  • Stainless-steel calibration slide and spring assembly prevents corrosion within the fuel control body, which leads to an extended service life.
  • Precision-wound and precision-trimmed solenoid windings allow the computer to command efficient delivery of fuel. High-temp O-rings enable prolonged...
  • Part Number:FJ503, FJ10565, 217-3028, 2173028, 89060439 833-22102-6, 25331863, 800-1512N, 17113295, 17114164 17091628, 17113273, 19210688, 12568332,...
  • Package Included: 1x Fuel Injector; 1x Retaining Bracket with Bolt.
SaleBestseller No. 14
Standard Motor Products FJ503 Fuel Injector
  • Country Of Origin : China
  • The Package Height Of The Product Is 3.37 Inches
  • The Package Length Of The Product Is 2.0 Inches
  • The Package Width Of The Product Is 1.43 Inches
Bestseller No. 15
TEKKOAUTO FJ503 4.3L V6 Spider Fuel Injector Kit Replacement for GMC Chevy Pickup Isuzu FJ10565...
  • OEM Numbers: 12568332, 19210688, M1045, 4G1887, 240408, 217-3252, BWD63885, FJ10565-11B1, 17113673, 322-04819, 217-3028, FJ503, 16-9706, FJ10565,...
  • Replacement for Chevy Astro 1996-2001, Chevy Blazer 1996-2001, Chevy C1500 1996-1998, Chevy K1500 1996-1998
  • Replacement for Chevy Express 1500 1996-2002, Chevy Express 1500 1996-2002, Chevy Prizm 1996-1999, Chevy S10 1996-2001, Chevy Silverado 1500 1999-2002
  • Replacement for 1996-1998 GMC C1500, 1996-2001 GMC Jimmy, 1996-1998 GMC K1500, 1996-1999 GMC P3500, 1996-2001 GMC Safari
  • Replacement for 1996-2002 GMC Savana 1500, 1996-2002 GMC Savana 2500, 1999-2002 GMC Sierra 1500, 1996-2001 GMC Sonoma, 1997-1999 Isuzu Hombre
Bestseller No. 16
B.ZSSY FJ503 Spider Fuel Injectors 6 Cylinder Compatible for Chevy Express Silverado 1500 Astro...
  • 1.【Fitment 1】Spider Fuel Injector Only Fit for 4.3L V6 Engine,Compatible with 1996-2005 Chevy Astro Blazer Express 2500,1996-2014 Chevy Express...
  • 2.【Fitment 2】6 Cylinder Fuel Spider Injector Compatible with 1996-1998 GMC C1500 K1500,1996-1999 GMC P3500,1996-2002 GMC Jimmy,1996-2004 GMC...
  • 3.【Material】FJ503 Fuel Injector Assembly made of plastic tube and metal bracket.Designed like a spider delivers fuel into the cylinder,can help...
  • 4.【Manufacturer Part Number】:Replce for 12568332,17113673,322-04819,217-3028,FJ503,16-9706,FJ10565,800-1512N,4G1887,240408,217-3252.Note:Please do...
  • 5.【Package】1 x Fuel Spider lnjectors Kit and brackets.Please note that before installing the injector and fix the bracket on the injector to...
Bestseller No. 17
AUS Injection CP50103-6 Remanufactured Central Port Fuel Injector Assembly (Renewed)
  • Remanufactured In the USA, All units are 100% factory tested before packaging
  • Clean injectors provide better gas milage and increase overall performance
  • All injectors are lubricated prior to packaging ensuring a trouble free installation
  • All injectors are backed by a 12 month 12,000 mile warranty
  • There is a $40.00 Rebate for mailing back your old unit
Bestseller No. 18
FJ503 Spider Fuel Injector Replacement for Chevy Express Silverado 1500 Astro Blazer GMC Sierra...
  • Replace Part Number: ‎FJ503, FJ10565, 2173028, 217-3028 89060439, 833-22102-6, 800-1512N, 25331863, 17113295, 17114164,...
  • Compatible with: For Chevrolet Silverado 1500 1999-2002,For Chevy S10 1996-2002,For Chevrolet P30 1996-1999,For Chevrolet K1500 1996-1998,For...
  • HIGH QUALITY: Multi-Port Fuel Injection Replacement Parts - Spider fuel injectors are a special type of fuel injection system commonly used in...
  • After-sales service: 1 year warranty. Please check the compatibility before purchase to make sure the part fits your vehicle. If you have any...
Bestseller No. 19
6 Cylinder FJ503 Spider Fuel Injector Assembly Compatible for Trucks Vortec 4.3L 1996-2002 Fuel...
  • Applicable models: FJ503 Spider Fuel Injector Compatible for Trucks Vortec 4.3L 1996-2002.
  • OE Part Number: FJ503, 12568332, 19210688, 89060439, 17114164,17113295, 25331863, 17113295, 17113215, 17115379, 17113673, 2204-510881, 322-04819,...
  • Easy installation: Its manufacturing meets the original factory specifications, can direct replacement for your old or broken parts.
  • Package included: 1xSpider Fuel injector 6 cylinder. FJ503 Fuel Injector kit 12568332 Spider Fuel Injector with Bracket.
  • Why you choose us? our Injector can effectively prevent fuel exposure, reduce fuel waste, improve fuel utilization, and minimize stickiness during...
SaleBestseller No. 20
Vphix FJ503 Spider Fuel Injectors for 1996-2014 Chevrolet Blazer C1500 K1500 Express 1500 2500 Astro...
  • Fits 1996 - 2002 GMC Jimmy; 1996 - 2005 Safari; 1996 - 2004 Sonoma etc Fits 1997 - 2000 Isuzu Hombre; Fits 1996 - 2001 Oldsmoblie Bravada
  • Fits Chevy 1996 - 2005 Astro; 1996 - 2005 Blazer; 1996 - 1999 P30; Silverado 1500 Classic; K1500;C1500 etc. For more fitment details, please read our...
  • Manual adjustment of product shape is required; Injection molding process - Do not bend repeatedly in one place to avoid damage. We recommend that you...
  • Interchange Part Number: 12568332, 4G1887, 217-3028, FJ503, FJ10565, 2173028, 89060439, 833-22102-6, 25331863, 800-1512N, 17113295, 17114164, 17091628
  • Warranty : One Year
.

FAQ:

Q: What are the different types of ‘Spider’ fuel injectors?

A: There are two types of the ‘Spider’ fuel injector assemblies used on the GM 4.3L, 5.0L, 5.7L engines and this article will help you with both types. In case you’re wondering, one type belongs to the Central Port Injection ( CPI) system and the other to the Central Sequential Fuel Injection ( CSFI) system. How can you tell them apart?

Q: What are the symptoms of a bad Vortec Spider injectors?

A: Symptoms of Bad Vortec Spider Injectors 1 Misfire engine codes (P0400-P0406 and P0300 codes) 2 Long starting, hard cranking 3 Poor idle and running at low-rpm’s, but fine at high rpm’s

Q: What is a spider Vortec engine?

A: The L35 and LF6 Vortec engines from the mid-90’s to early 2000’s had a “central port injection” setup which is known as the “spider”. The spider system uses a central pump with 6 tubes connected to it that lead to each of the 4.3L vortec cylinders.

Q: What kind of fuel injection system does GM Vortec use?

A: Jul 1, The system was used on L V6 Vortec engines through , and was redesigned in and renamed “Central Sequential Fuel Injection”.This harness is designed to be a complete wiring system for the central multiport fuel injection system on General Motors Vortec (L) injection engines.