Chevrolet Vortec V6 (262) EFI Distributor - Black

• Direct-replacement EFI distributorfor 1996–2007 GM Vortec 4300 4.3L V6 — no ignition box required

• Magnetic pick-up trigger with computer-controlled advance — retains full factory ECM timing integration

• Crab-style female terminal matches the factory Vortec 4300 connector — no wiring modifications needed

• Machined aluminum housing with steel gear — black finish; fits S-10, Blazer, Astro, Sonoma, Jimmy, and Safari

Direct-Replacement EFI Distributor for the 1996–2007 GM Vortec 4300 4.3L V6

If your 1996–2007 Chevrolet S-10, Blazer, Astro, GMC Sonoma, Jimmy, or Safari is showing signs of a failing distributor — rough idle, misfires, erratic timing, or hard starts — this TSP Vortec 4300 distributor is engineered as a direct-replacement unit for the computer-controlled EFI distributor used in GM's 90° V6 4.3L / 262 CID applications from 1996 through 2007.

Unlike earlier 4.3L V6 distributors, the Vortec 4300 generation uses a crab-style female terminal connector and a computer-controlled advance system that integrates directly with the factory ECM. This distributor is built to those exact specifications — magnetic pick-up trigger, computer-controlled advance, crab-style female connector — so it installs without wiring modifications, connector adapters, or ECM reprogramming on compatible applications.

The machined aluminum housing and steel gear are built for long-term durability. No ignition box is required. An external coil is needed and is not included. Verify distributor gear material compatibility with your camshaft before installation — the steel gear is most compatible with cast iron hydraulic and solid flat-tappet camshafts.

Applications
Designed for the GM 90° V6 — 4.3L / 262 CID Vortec 4300 — in 1996–2007 EFI applications. Confirmed common vehicle applications include Chevrolet S-10, Blazer, and Astro; GMC Sonoma, Jimmy, and Safari. Functions as a direct replacement for the factory computer-controlled distributor used in these EFI-equipped trucks and vans. Not compatible with pre-1996 4.3L V6 applications, which use a different terminal connector and advance system.

What engine and year range is this distributor designed for?
This distributor is designed for the GM 90° V6—4.3L (262 CID) Vortec 4300—in 1996–2007 EFI applications. Confirmed common applications include the Chevrolet S-10, Blazer, and Astro, as well as the GMC Sonoma, Jimmy, and Safari.

What is the difference between this distributor and the TSP 1986–1995 GM 4.3L V6 EFI distributor?
These are two different distributors designed for two generations of the GM 4.3L V6. This Vortec 4300 distributor fits 1996–2007 applications and uses a crab-style female terminal connector with a computer-controlled advance calibrated for the Vortec 4300 EFI system. The earlier TSP distributor fits 1986–1995 applications and uses a male terminal connector. The two distributors are not interchangeable, so verify your model year before ordering.

Will this distributor work with my factory ECM and EFI system?
Yes. This distributor uses a computer-controlled advance and magnetic pickup trigger engineered for direct integration with the factory Vortec 4300 ECM. No timing reprogramming is required on compatible 1996–2007 applications.

Does this distributor use the same connector as my factory Vortec 4300 distributor?
Yes. This distributor uses a crab-style female terminal connector that matches the factory Vortec 4300 wiring harness. No connector adapters or wiring modifications are required on compatible applications.

Do I need an ignition box with this distributor?
No. This distributor is designed to operate with the factory ECM and an external ignition coil. No separate ignition box or CDI unit is required.

What coil is compatible with this distributor?
This distributor requires an external ignition coil, which is not included. Use a coil compatible with the Vortec 4300 EFI ignition system and your existing ignition wiring.

Is the steel gear compatible with my camshaft?
This distributor includes a steel distributor gear that is most compatible with cast iron hydraulic and solid flat tappet camshafts. If your engine uses a roller or specialty camshaft, consult your camshaft manufacturer for the recommended distributor gear material before installation.

Does this distributor fit the 4WD version of the S-10, Blazer, Sonoma, or Jimmy?
Yes. This distributor is designed for the GM Vortec 4300 4.3L V6 used in 1996–2007 trucks and SUVs, including 4WD models. Verify your vehicle's original distributor part number or application before installation to ensure compatibility.

Do I need to set ignition timing after installing this distributor?
The ECM controls ignition timing on Vortec 4300 EFI applications. After installation, verify proper distributor indexing and camshaft synchronization according to the factory service procedure. Incorrect distributor positioning can cause hard starting, misfires, diagnostic trouble codes, or other driveability issues.

What electrical system does this distributor require?
This distributor requires a 12-volt electrical system with a functioning alternator. It is not compatible with 6-volt systems, generator-equipped vehicles, or ballast resistor ignition circuits.