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Cummins Marine QSM11 Exhaust Manifold Kit

$2,336.00

These are 100% Genuine OEM Cummins parts. Kit fits all DRY MANIFOLD Cummins QSM11 engines. Kit does not include heat shields. Kit sold “as shown” only.

Shipping Weight

50 lbs

Shipping Dimensions 24 × 24 × 12 in

In stock

Description

As of 2022 kits are shipped with all LONG BOLTS AND SPACERS.  The longer bolts allow more bolt stretch, improving elasticity under torque. This helps to reduce the likelihood of future exhaust leaks. 

Removal:

Remove the heat shield mounting capscrews.

Remove the heat shield.

Remove the insulation blanket mounting capscrews.

Remove the insulation blanket.

Removing and Installing the QSM11 Exhaust Manifold
Removing and Installing the QSM11 Exhaust Manifold

Remove an upper capscrew and spacer from each end of the exhaust  manifold  and install guide studs, Part Number 3376488.

Remove the remaining capscrews, spacers, exhaust  manifold , and gaskets.

Discard the gaskets.

Removing and Installing the QSM11 Exhaust Manifold
Removing and Installing the QSM11 Exhaust Manifold

Installation:

Apply a film of high temperature anti-seize compound to new exhaust  manifold  capscrews.

Align the  manifold  and gaskets using guide studs.

Install spacers and new capscrews hand tight.

Remove guide studs and install remaining spacers and capscrews hand tight.

Tighten the capscrews in the sequence shown.

Torque Value:

  1. 27  n•m [ 239 in-lb ]
  2. 47 Nm 35 ft-lb
  3. Loosen all capscrews.
Removing and Installing the QSM11 Exhaust Manifold
Removing and Installing the QSM11 Exhaust Manifold

Tighten the capscrews in the sequence shown.

Torque Value:

  1. 27  n•m [ 239 in-lb ]
  2. 47 N•m 35 ft-lb
  3. Loosen all capscrews
  4. 27   n•m [ 239  in-lb ]
  5. 47 N•m 35 ft-lb.
Removing and Installing the QSM11 Exhaust Manifold
Removing and Installing the QSM11 Exhaust Manifold

Install the exhaust  manifold  insulation blanket.

Install the exhaust  manifold  heat shield.

Tighten the capscrews.

Torque Value:  47  n•m    [ 35 ft-lb ]

Removing and Installing the QSM11 Exhaust Manifold
Removing and Installing the QSM11 Exhaust Manifold