KZDAZ MLS header gasket 2-piece set delivering reliable exhaust sealing.
KZDAZ bolts kit includes 12 fasteners for secure manifold installation.
KZDAZ MLS gasket installation guide image shows alignment for best seal.
KZDAZ LS engines compatibility graphic highlights wide-fit for GM trucks.
KZDAZ Silverado Suburban compatibility image confirms precise gasket matching.
KZDAZ high-temp sealing feature emphasizes leak prevention and durability.
KZDAZ packaging and support image signals complete kit and friendly service.
KZDAZ MLS header gasket 2-piece set delivering reliable exhaust sealing.
KZDAZ bolts kit includes 12 fasteners for secure manifold installation.
KZDAZ MLS gasket installation guide image shows alignment for best seal.
KZDAZ LS engines compatibility graphic highlights wide-fit for GM trucks.
KZDAZ Silverado Suburban compatibility image confirms precise gasket matching.
KZDAZ high-temp sealing feature emphasizes leak prevention and durability.
KZDAZ packaging and support image signals complete kit and friendly service.

KZDAZ MLS Header Gasket Kit with Bolts (12617944) for GM LS Engines

Upgrade your exhaust sealing with the KZDAZ MLS Header Gasket Kit The KZDAZ MLS Header Gasket Kit...
Vendor: KZDAZ
Availability: In stock
£32.11
£32.11
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KZDAZ MLS header gasket 2-piece set delivering reliable exhaust sealing.

KZDAZ MLS Header Gasket Kit with Bolts (12617944) for GM LS Engines

£32.11
KZDAZ MLS header gasket 2-piece set delivering reliable exhaust sealing.
KZDAZ bolts kit includes 12 fasteners for secure manifold installation.
KZDAZ MLS gasket installation guide image shows alignment for best seal.
KZDAZ LS engines compatibility graphic highlights wide-fit for GM trucks.
KZDAZ Silverado Suburban compatibility image confirms precise gasket matching.
KZDAZ high-temp sealing feature emphasizes leak prevention and durability.
KZDAZ packaging and support image signals complete kit and friendly service.

KZDAZ MLS Header Gasket Kit with Bolts (12617944) for GM LS Engines

£32.11
Description
Description
x

Upgrade your exhaust sealing with the KZDAZ MLS Header Gasket Kit

The KZDAZ MLS Header Gasket Kit with Bolts is crafted for GM LS-based engines, offering a robust multi-layer steel seal designed to withstand high heat and pressure across a wide power range from 4.8L to 6.2L. This kit is built to align with the LS family (excluding LS7) and is suitable for common GM trucks and SUVs, including Silverado, Suburban, Yukon, CTS, and Escalade. Before you order, verify the exact compatibility to ensure a precise fit for your vehicle’s specifications.

What’s included and replacement references

  • 2 MLS exhaust manifold header gaskets
  • 12 bolts for a complete install
  • Replacement part numbers: 12617944 12600530 12620947 12558573; OE bolts 551696

Key benefits you may notice

  • High-temperature resistant steel construction for durable sealing under thermal cycles
  • Potential to reduce exhaust leakage and lower engine backpressure during operation
  • Designed for straightforward installation with no major modifications required
  • Precise alignment between the exhaust manifold and engine block for a reliable seal

Fitment and compatibility

Compatible with Silverado, Suburban, Express 1500/2500/3500, Avalanche, Yukon, Allure, CTS, Escalade, and other LS-series engines (excluding LS7). Please review your vehicle’s specs and the listed part numbers to confirm compatibility prior to purchase.

Installation tips for best results

  • Thoroughly clean the mating surfaces before installation
  • Align the gasket precisely with the exhaust manifold and engine block
  • Follow a progressive tightening sequence to achieve even clamping force

If you have questions about fitment or installation, our friendly support team is available to help. We aim for a smooth shopping experience and a confident seal after installation.

FAQ

Q: What vehicles and engines does the KZDAZ MLS header gasket kit fit?

A: Designed for GM LS engines across many models; verify exact specs for Silverado, Suburban, Yukon, Escalade.

Q: What is included in the kit and what installation steps are recommended?

A: Includes 2 MLS gaskets and 12 bolts; clean mating surfaces and align parts before torquing.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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