How to install a Rear Crossmember and Its Components on 2008 Dodge Nitro?

To install the rear crossmember, position it and secure with six bolts at 47 Nm (35 ft. lbs.). Attach four transmission mount nuts, tightening to 88 Nm (65 ft. lbs.). Remove the transmission lifting device, then install the transfer case skid plate followed by the transmission skid plate.

OEM 2008 Dodge Nitro Rear Crossmember

Rear Suspension Crossmember

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6 Rear Crossmembers found

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2008 Dodge Nitro Rear Crossmember Part Number: 55113037AA
$159.10 MSRP: $1010.00
You Save: $850.90 (85%)
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Product Specifications
- Other Name: Crossmember - Floor Pan; Crossmember Floor Pan
- Item Weight: 7.80 Pounds
- Item Dimensions: 57.6 x 6.1 x 5.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55113037AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Dodge Nitro Submodels:
- Detonator, Heat, R/T, SE, SLT, SXT, Shock | 6 Cyl 3.7 L GAS, 6 Cyl 4.0 L GAS
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2008 Dodge Nitro Floor Crossmember, Rear Part Number: 55113000AB
$175.14 MSRP: $389.00
You Save: $213.86 (55%)
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Product Specifications
- Other Name: Crossmember - Rear Floor; Crossmember Rear Floor; Crossmember Floor Pan
- Position: Rear
- Item Weight: 17.40 Pounds
- Item Dimensions: 35.7 x 14.8 x 3.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55113000AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Dodge Nitro Submodels:
- Detonator, Heat, R/T, SE, SLT, SXT, Shock | 6 Cyl 3.7 L GAS, 6 Cyl 4.0 L GAS
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2008 Dodge Nitro Crossmember Assembly, Rear Part Number: 68004029AA
$431.68 MSRP: $808.00
You Save: $376.32 (47%)
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Product Specifications
- Other Name: Crossmember - Rear Floor; Floor Support, Rear; Crossmember Rear Floor
- Position: Rear
- Item Weight: 12.30 Pounds
- Item Dimensions: 56.1 x 11.2 x 8.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 68004029AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Nitro Submodels:
- Detonator, Heat, R/T, SE, SLT, SXT, Shock | 6 Cyl 3.7 L GAS, 6 Cyl 4.0 L GAS
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2008 Dodge Nitro Floor Crossmember, Rear Part Number: 55113009AA
$330.84 MSRP: $487.00
You Save: $156.16 (33%)
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Product Specifications
- Other Name: Crossmember - Rear Seat; Crossmember Rear Seat Rear; Crossmember Floor Pan
- Position: Rear
- Item Weight: 7.90 Pounds
- Item Dimensions: 36.4 x 14.7 x 3.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55113009AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Nitro Submodels:
- Detonator, Heat, R/T, SE, SLT, SXT, Shock | 6 Cyl 3.7 L GAS, 6 Cyl 4.0 L GAS
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2008 Dodge Nitro Floor Crossmember, Rear Part Number: 55113103AA
$637.77 MSRP: $929.00
You Save: $291.23 (32%)
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Product Specifications
- Other Name: Crossmember - Rear Suspension; Crossmember Rear Suspension; Crossmember Floor Pan
- Position: Rear
- Item Weight: 12.40 Pounds
- Item Dimensions: 41.0 x 9.1 x 4.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55113103AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Nitro Submodels:
- Detonator, Heat, R/T, SE, SLT, SXT, Shock | 6 Cyl 3.7 L GAS, 6 Cyl 4.0 L GAS
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2008 Dodge Nitro Rear Body Reinforcement Part Number: 55360824AA
$369.49 MSRP: $512.00
You Save: $142.51 (28%)
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Product Specifications
- Other Name: Crossmember - Rear Floor; Crossmember Rear Floor
- Position: Rear
- Item Weight: 9.10 Pounds
- Item Dimensions: 35.4 x 6.1 x 6.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55360824AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Nitro Submodels:
- Detonator, Heat, R/T, SE, SLT, SXT, Shock | 6 Cyl 3.7 L GAS, 6 Cyl 4.0 L GAS

2008 Dodge Nitro Rear Crossmember Parts and Q&A

Q: How to install a Rear Crossmember and Its Components on 2008 Dodge Nitro?
A: To install the rear crossmember, position it and secure with six bolts at 47 Nm (35 ft. lbs.). Attach four transmission mount nuts, tightening to 88 Nm (65 ft. lbs.). Remove the transmission lifting device, then install the transfer case skid plate followed by the transmission skid plate.