1. Manifolds & Headers Offered
  2. sku: 12696669474974881
  3. BFO 1VS8OK

BFO 1VS8OK Cast Iron Exhaust Manifold L6 4.2L

fits model: Envoy, Xuv. make: Gmc. year: 2002–2005.

1vs8ok Bfo Cast Iron Exhaust Manifold Assembly For Gmc Envoy Xl Xuv L6 4.2l 2002-2005

( Brand: Bfo ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Gray ), ( Country Of Origin: China ), ( Engine: L6 4.2l ), ( Features: Heat-resistant ), ( Fitment: For Buick Rainier L6 4.2l 2004-2005, For Chevrolet Trailblazer L6 4.2l 2002-2005, For Chevrolet Trailblazer Ext L6 4.2l 2002-2005, For Gmc Envoy L6 4.2l 2002-2005, For Gmc Envoy Xl L6 4.2l 2002-2005, For Gmc Envoy Xuv L6 4.2l 2004-2005, For Isuzu Ascender L6 4.2l 2003-2005, For Oldsmobile Bravada L6 4.2l 2002-2004, For Saab 9-7x L6 4.2l 2005 ), ( Fitment Type: Direct Replacement ), ( Fuel Type: Gasoline ), ( Items Included: Gasket, Mounting Hardware, Shield, Stud ), ( Manufacturer Part Number: 1VS8OK ), ( Manufacturer Warranty: 1 Year ), ( Material: Cast Iron ), ( Mounting Style: Bolt-on ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Oe/oem Part Number: 674-777, 674777, 8888905600, 88890560, 101403, 663272 ), ( Performance Part: Yes ), ( Placement On Vehicle: Front ), ( Substrate Material: Iron ), ( Type: Exhaust Manifold ), ( Universal Fitment: No )

Review BFO Cast Iron Exhaust Manifold Assembly Gmc Xl L6 4.2l fits ENVOY XUV 2002–2005

Introducing the BFO 1VS8OK Cast Iron Exhaust Manifold, specifically designed for the GMC Envoy XL XUV L6 4.2L engines manufactured between 2002 and 2005. This exhaust manifold is an essential component of your vehicle's exhaust system, responsible for collecting exhaust gases from the engine cylinders and directing them into the catalytic converter and the rest of the exhaust system.

The BFO 1VS8OK Cast Iron Exhaust Manifold is manufactured using high-quality cast iron material. Cast iron is known for its exceptional strength, durability, and heat resistance, making it an ideal choice for automotive exhaust components. The cast iron construction ensures that the manifold can withstand the extreme temperatures and pressures of the exhaust gases, providing reliable performance and longevity.

This exhaust manifold features eight exhaust ports, each designed to optimally direct exhaust gases for maximum flow and efficiency. The ports are carefully engineered to provide an even distribution of exhaust gases, ensuring optimal engine performance and fuel efficiency. The manifold's smooth, uniform design reduces turbulence and backpressure, allowing the exhaust gases to exit the engine more efficiently, resulting in improved overall engine performance.

The BFO 1VS8OK Cast Iron Exhaust Manifold is a direct replacement for the original equipment manufacturer (OEM) manifold. It is designed to fit perfectly on your GMC Envoy XL XUV L6 4.2L engine, ensuring a seamless installation process. The manifold comes complete with all necessary hardware, including bolts and gaskets, for a hassle-free installation. With its precise fit and superior quality, you can trust that the BFO 1VS8OK Cast Iron Exhaust Manifold will provide reliable performance and durability for your vehicle.

In conclusion, the BFO 1VS8OK Cast Iron Exhaust Manifold is an essential upgrade for your GMC Envoy XL XUV L6 4.2L engine. Its high-quality cast iron construction, optimally designed exhaust ports, and direct replacement fit make it a valuable investment for improved engine performance and longevity. Trust BFO for your exhaust manifold needs and experience the difference in power and reliability.

Buying a BFO 1vs8OK cast iron exhaust manifold for a GMC Envoy XL XUV L6 4.2L 2002-2005 comes with several pros and cons. Let's explore each one: Pros:

1. Improved Performance: A cast iron exhaust manifold can improve engine performance by reducing exhaust gas backpressure, allowing for better exhaust flow and increased horsepower.

2. Durability: Cast iron is a strong and durable material, making the manifold less susceptible to damage from extreme temperatures or the corrosive effects of exhaust gases.

3. Increased Longevity: A cast iron exhaust manifold can last longer than stock or aftermarket exhaust manifolds made from other materials, reducing the need for frequent replacements.

4. Better Fit and Finish: A custom-designed cast iron manifold may provide a better fit and finish compared to a stock or aftermarket manifold, ensuring a proper seal and reducing exhaust leaks.

Cons:

1. Cost: Cast iron exhaust manifolds can be more expensive than other types of manifolds, making them a more significant investment for some vehicle owners.

2. Weight: Cast iron is a heavy material, which can add weight to the exhaust system, potentially impacting fuel economy and handling.

3. Installation Complexity: Installing a cast iron exhaust manifold may be more complex than installing a stock or aftermarket manifold, requiring more time, tools, and expertise.

4. Potential for Warping: Cast iron is prone to warping during the manufacturing process, which can impact the seal between the manifold and the engine, leading to exhaust leaks.

Ending Conclusion:

A BFO 1vs8OK cast iron exhaust manifold for a GMC Envoy XL XUV L6 4.2L 2002-2005 offers several advantages, including improved performance, durability, increased longevity, and better fit and finish. However, it also comes with some disadvantages, such as cost, weight, installation complexity, and potential for warping. Ultimately, the decision to purchase a cast iron exhaust manifold for your GMC Envoy depends on your budget, performance goals, and installation capabilities. If you prioritize durability and performance and have the resources to handle the installation, a cast iron manifold may be the best choice for you. If you're looking for a more cost-effective or lightweight option, you may want to consider an alternative exhaust manifold material.

specifications maniheader:

  • for models: Envoy, Xuv
  • for makes: Gmc
  • for years: 2002-2005
  • brand: Bfo
  • california prop 65 warning: California Prop 65 Warning
  • color: Gray
  • country of origin: China
  • engine: L6 4.2l
  • features: Heat-resistant
  • fitment: For Buick Rainier L6 4.2l 2004-2005, For Chevrolet Trailblazer L6 4.2l 2002-2005, For Chevrolet Trailblazer Ext L6 4.2l 2002-2005, For Gmc Envoy L6 4.2l 2002-2005, For Gmc Envoy Xl L6 4.2l 2002-2005, For Gmc Envoy Xuv L6 4.2l 2004-2005, For Isuzu Ascender L6 4.2l 2003-2005, For Oldsmobile Bravada L6 4.2l 2002-2004, For Saab 9-7x L6 4.2l 2005
  • fitment type: Direct Replacement
  • fuel type: Gasoline
  • items included: Gasket, Mounting Hardware, Shield, Stud
  • manufacturer part number: 1VS8OK
  • manufacturer warranty: 1 Year
  • material: Cast Iron
  • mounting style: Bolt-on
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • oe/oem part number: 674-777, 674777, 8888905600, 88890560, 101403, 663272
  • performance part: Yes
  • placement on vehicle: Front
  • substrate material: Iron
  • type: Exhaust Manifold
  • universal fitment: No

shipping maniheader:

  • transit: 3-7 Days
  • cost: $0.00
  • service: UPS Ground
  • type: Fixed
  • class: Standard
  • carrier: UPS

returns maniheader:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

offer maniheader:

  • availability: In Stock
  • started: June 8, 2026
  • options: Ship-to-home
  • quantity: 1
  • sold: 0

seller maniheader:

  • rating: 99.8%
  • # reviews: 10939

general maniheader:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
  • condition: New

payments maniheader:

  • wallet: Google-pay
  • other
  • credit card: Mastercard
for models: envoy, xuv, for makes: gmc, for years: 2002-2005, california prop 65 warning: california prop 65 warning, country of origin: china, engine: l6 4.2l, features: heat-resistant, fitment: for buick rainier l6 4.2l 2004-2005, for chevrolet trailblazer l6 4.2l 2002-2005, for chevrolet trailblazer ext l6 4.2l 2002-2005, for gmc envoy l6 4.2l 2002-2005, for gmc envoy xl l6 4.2l 2002-2005, for gmc envoy xuv l6 4.2l 2004-2005, for isuzu ascender l6 4.2l 2003-2005, for oldsmobile bravada l6 4.2l 2002-2004, for saab 9-7x l6 4.2l 2005, fitment type: direct replacement, fuel type: gasoline, items included: gasket, mounting hardware, shield, stud, manufacturer warranty: 1 year, mounting style: bolt-on, note: no instruction included, notice: this is aftermarket replcement part, oe/oem part number: 674-777, 674777, 8888905600, 88890560, 101403, 663272, performance part: yes, placement on vehicle: front, substrate material: iron, type: exhaust manifold, universal fitment: no,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: gray, material: cast iron, sku: 12696669474974881,

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