GM Genuine Parts

LS Exhaust Header Manifold Gasket

Quote required Gaskets · GM LS · Supplied through ACDelco / GM Genuine
Stock checked before fulfillmentSpecial orderParts first
LS Exhaust Header Manifold Gasket generated product media for ACDelco / GM Genuine

Checkout path with Rankin review

OE MLS exhaust gasket for LS header installs and engine refresh work.

  • Fitment: GM LS exhaust/header applications by port shape and cylinder head
  • Intent: Quote first
  • Supplier SKU: 12617944
  • Final price, lead time, compliance and install scope are confirmed before parts move.

Load cart for review View live product details

What Rankin checks before fulfillment

Vehicle fitmentYear, trim, engine, transmission, current mods and exact supporting parts are reviewed before parts move.
AvailabilityRankin confirms current supplier availability, supersession, MAP limits, lead time, pickup or shipping path.
Install and tuning contextWhen the part affects fuel, boost, exhaust, driveline or calibration, Rankin checks the supporting plan first.
Compliance and returnsStreet/off-road notes, special-order limits, electrical items, opened packaging, core-return requirements and warranty route are clarified before fulfillment. Read the policy.