How to Properly Install an Exhaust Manifold on 2008 Jeep Wrangler?

Place the exhaust manifold on the cylinder head and first screw in the bolts at the center of cylinder #4 to 2.8 Nm (25 in. lbs.). After that, secure the heat shield directly over the manifold and tighten all remaining attaching bolts at 23 Nm (200 in. lbs.). Fasten the heat shield to the engine using an attaching nut turned to 12 Nm (105 in. lbs.) and then attach the pipe to the exhaust manifold using 41 Nm (30 ft. lbs.) of torque. In the end, attach the left side oxygen sensors and once more connect the battery negative cable when you are done.

OEM 2008 Jeep Wrangler Exhaust Manifold

Engine Exhaust Manifold

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2 Exhaust Manifolds found

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2008 Jeep Wrangler Exhaust Manifold, Driver Side Part Number: 4666024AF
Product Specifications
- Other Name: Manifold - Exhaust; Exhaust Manifold, Left
- Position: Driver Side
- Replaces: 4666024AD, 4666024AC
- Item Weight: 7.60 Pounds
- Item Dimensions: 7.3 x 11.1 x 14.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4666024AF
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Wrangler Submodels:
- 70th Anniversary, Rubicon, Sahara, Sport, Unlimited 70th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited X, X | 3.8L V6, 6 Cyl 3.8 L GAS
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2008 Jeep Wrangler Exhaust Manifold, Passenger Side Part Number: 4666026AC
Product Specifications
- Other Name: Manifold - Exhaust; Exhaust Manifold, Right; Manifold Exhaust
- Position: Passenger Side
- Replaces: 4666026AB, 4666026AD
- Item Weight: 8.50 Pounds
- Item Dimensions: 15.4 x 9.5 x 9.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4666026AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Wrangler Submodels:
- 70th Anniversary, Rubicon, Sahara, Sport, Unlimited 70th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited X, X | 6 Cyl 3.8 L GAS

2008 Jeep Wrangler Exhaust Manifold Parts and Q&A

Q: How to Properly Install an Exhaust Manifold on 2008 Jeep Wrangler?
A: Place the exhaust manifold on the cylinder head and first screw in the bolts at the center of cylinder #4 to 2.8 Nm (25 in. lbs.). After that, secure the heat shield directly over the manifold and tighten all remaining attaching bolts at 23 Nm (200 in. lbs.). Fasten the heat shield to the engine using an attaching nut turned to 12 Nm (105 in. lbs.) and then attach the pipe to the exhaust manifold using 41 Nm (30 ft. lbs.) of torque. In the end, attach the left side oxygen sensors and once more connect the battery negative cable when you are done.