1999 - 2006 (GMT800) Section for all discussion related to the 1999-2006 Chevrolet and GMC trucks.

2006 4.3 Cylinder heads

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Old Jul 8, 2025 | 4:50 PM
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Lane1948's Avatar
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Default 2006 4.3 Cylinder heads

I am looking for information on a 2006 Chevy Silverado with a 4.3 v6. Vortec 4300 V6 MFI (195 HP [145.4 kW] @ 4600 rpm, 260 lb.-ft 351.0 N-m] @ 2800 rpm). 160k miles

Suddenly lost all compression in one cylinder. Compression test reads zero. Push rods and rockers are moving correctly. No knocking or any unusual sounds when running besides the miss fire. Used compressed air and it just dumps out the exhaust port the whole time.

Having a hard time finding cylinder heads for it. Seems like every other website has a different year range for these heads. I’m getting 1999-2014, then the next website says 1996-2005, 1992-2014, 2000-2013.. so if anyone here could point me in the right direction on finding what cylinder heads will work on this truck it would be very much appreciated! Thanks


Last edited by Lane1948; Jul 8, 2025 at 4:56 PM.
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