1. Manifolds & Headers Offered
  2. sku: 11866629550698603
  3. ATP 55937FNZX

ATP 55937FNZX Exhaust Manifold Left

fits make: Gmc. year: 1988–1995.

55937fnzx Atp For 1988-1995 Gmc K1500 Exhaust Manifold Left 1989 1990 1991 1992 1993

( Brand: Atp ), ( Part Type: Exhaust Manifold ), ( Placement On Vehicle: Left ), ( Manufacturer Part Number: 55937FNZX ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Exhaust Manifold With Heat Shield; Includes ), ( Years: 1988 1989 1990 1991 1992 1993 1994 1995 ), ( Application: Gmc K1500 Exhaust Manifold ), ( Cs-sku: 400 )

Review ATP Gmc Exhaust Manifold Left fits K1500 1988–1995

The ATP 55937FNZX exhaust manifold is a high-performance replacement option for the original exhaust manifold on 1989, 1990, 1991, 1992, and 1993 GMC K1500 trucks. This exhaust manifold is meticulously designed and engineered to provide superior durability and performance compared to the factory part.

This manifold is constructed using advanced materials, including high-strength steel, which ensures it can withstand the rigors of heavy-duty use. It features a robust design with a 5-bolt flange that securely attaches to the engine cylinder head, providing a strong and reliable connection.

One of the key advantages of this exhaust manifold is its ability to improve the flow of exhaust gases from the engine. The manifold's design includes optimized exhaust port shapes and sizes, which reduce back pressure and allow for more efficient exhaust gas flow. This results in improved engine performance, increased horsepower, and better fuel economy.

Another notable feature of the ATP 55937FNZX exhaust manifold is its compatibility with factory exhaust systems. The manifold includes factory-style exhaust ports and comes with gaskets and hardware needed for installation, making it a straightforward and hassle-free upgrade.

The ATP 55937FNZX exhaust manifold also offers improved thermal efficiency. Its design allows for better heat transfer from the exhaust gases to the catalytic converter, which helps to ensure optimal converter performance. This not only improves engine performance but also helps to ensure your truck meets emissions regulations.

In summary, the ATP 55937FNZX exhaust manifold is an excellent upgrade option for the exhaust system on 1989, 1990, 1991, 1992, and 1993 GMC K1500 trucks. Its robust design, improved exhaust flow, compatibility with factory exhaust systems, and thermal efficiency make it a must-have for anyone looking to enhance the performance and durability of their truck's exhaust system.

The ATP 55937FNZX exhaust manifold is a aftermarket replacement option for 1988-1995 GMC K1500 trucks with engines from 1989 to 1993. Here are some potential pros and cons of buying this part:

Pros:

1. Replacement: This exhaust manifold is designed to replace the original part, ensuring a proper fit and function for your vehicle.

2. Improved Performance: Some customers report improved engine performance after installing this aftermarket manifold, due to its more efficient design.

3. Durability: The ATP 55937FNZX is made from high-quality materials, such as cast iron, which can withstand the rigors of truck use and provide long-lasting performance.

Cons:

1. Cost: The ATP 55937FNZX may cost more than an OEM (original equipment manufacturer) exhaust manifold from a dealership.

2. Installation: Installing the new manifold may require some mechanical expertise and the use of specialized tools.

3. Potential for Leaks: As with any exhaust component, there is always a risk of leaks, which can lead to decreased performance and potential safety hazards.

Conclusion:

The ATP 55937FNZX exhaust manifold can be a solid investment for GMC K1500 owners looking to replace their worn-out original part. Its durable construction and potential for improved performance make it an attractive option. However, its higher cost compared to OEM parts and the potential for installation challenges are important considerations. It's essential to weigh these factors against the potential benefits before making a purchase.

Recommendation:

If you are comfortable with the installation process and understand the potential benefits and drawbacks of aftermarket parts, the ATP 55937FNZX exhaust manifold can be a worthwhile investment. However, if you prefer the peace of mind that comes with a genuine OEM part or lack the necessary mechanical expertise for installation, you may want to consider other options. Ultimately, the decision depends on your personal preferences, budget, and level of mechanical expertise.

part # 55937fnzx prices

  • $191.56-$253.65

specifications maniheader:

  • for makes: Gmc
  • for years: 1988-1995
  • brand: Atp
  • part type: Exhaust Manifold
  • placement on vehicle: Left
  • manufacturer part number: 55937FNZX
  • manufacturer warranty: 12 Month Warranty
  • notes: Exhaust Manifold With Heat Shield; Includes
  • years: 1988 1989 1990 1991 1992 1993 1994 1995
  • application: Gmc K1500 Exhaust Manifold
  • cs-sku: 400

seller maniheader:

  • rating: 98.8%
  • # reviews: 329796

offer maniheader:

  • quantity: 1
  • started: April 22, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

payments maniheader:

  • wallet: Google-pay
  • other
  • credit card: Mastercard

shipping maniheader:

  • transit: 3-7 Days
  • type: Fixed
  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx
  • cost: $0.00

returns maniheader:

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

general maniheader:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
  • condition: New
for makes: gmc, for years: 1988-1995, part type: exhaust manifold, placement on vehicle: left, manufacturer warranty: 12 month warranty, notes: exhaust manifold with heat shield; includes, years: 1988 1989 1990 1991 1992 1993 1994 1995, application: gmc k1500 exhaust manifold, cs-sku: 400,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, sku: 11866629550698603,

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