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2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter

Navigate our online catalogue to find original replacement Exhaust Manifold with Integrated Catalytic Converters specifically designed to fit a 2008 Hummer H3.

 
 
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 674989 image 1 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 674989 image 2 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 674989 image 3 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 674989 image 4 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 674989 image 1 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 674989 image 1 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 674989 image 2 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 674989 image 3 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 674989 image 4 of 4
Exhaust Manifold with Integrated Catalytic Converter
$1,295.34
Limited Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Front
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.7L 3654cc (223CID) L5 Bore 95.5cm (3.76in.) Stroke 102cm (4.02in.);
Vehicle Fitment Notes:
CARB Compliant: No
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Walker Exhaust 16578 image 1 of 1
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Walker Exhaust 16578 image 1 of 1
Exhaust Manifold with Integrated Catalytic Converter
$1,649.08
$1,330.34
In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.7L 3654cc (223CID) L5 Bore 95.5cm (3.76in.) Stroke 102cm (4.02in.);
Vehicle Fitment Notes:
with Federal/California Emissions System Exhaust Gasket is Recommended Additional Part(s) Needed To Complete Installation: 31555 Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Ultra Type
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 6739891 image 1 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 6739891 image 2 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 6739891 image 3 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 6739891 image 4 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 6739891 image 1 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 6739891 image 1 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 6739891 image 2 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 6739891 image 3 of 4
2008 Hummer H3 Exhaust Manifold with Integrated Catalytic Converter Front Dorman 6739891 image 4 of 4
Exhaust Manifold with Integrated Catalytic Converter
$1,977.41
Out of Stock
Condition: New
Front
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.7L 3654cc (223CID) L5 Bore 95.5cm (3.76in.) Stroke 102cm (4.02in.);
Vehicle Fitment Notes:
CARB Compliant: Yes Engine Family Number (EFN) 8GMXT03.7187 Engine Family Number (EFN) 8GMXT03.7188 CARB Executive Order Number: D-798-14
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Exhaust Manifold with Integrated Catalytic Converter
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$1,719.76
$1,035.85
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.7L 3654cc (223CID) L5 Bore 95.5cm (3.76in.) Stroke 102cm (4.02in.);
Vehicle Fitment Notes:
ATP Number: 101428 ATP Availability: Available to Order Pioneer Number: N/A Pioneer Availability: N/A Federal Emission