How to check and maintain the differential lubricant on 2005 Audi A4?

On manual transaxle models, the differential lubricant is combined with the transmission lubricant. In automatic models, they are separate. Loosen the right front wheel lug bolts, raise the vehicle, and remove the wheel. Unscrew the plug from the transaxle to check the lubricant level. If low, add lubricant, then reinstall the plug and check for leaks after driving.

Genuine 2005 Audi A4 Differential

Front Differential

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5 Differentials found

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2005 Audi A4 Differential Carrier Part Number: 01R-525-053-M
$1351.84 MSRP: $1622.86
You Save: $271.02 (17%)
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Product Specifications
- Other Name: Housing; Differential Carrier
- Item Weight: 15.30 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 01R-525-053-M
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2005 Audi A4 Submodels:
- Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
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2005 Audi A4 Differential Assembly Part Number: 01R-500-044-A
$5399.61 MSRP: $6482.13
You Save: $1082.52 (17%)
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Product Specifications
- Other Name: Differential; Differential Assembly
- Item Weight: 51.30 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 01R-500-044-A
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2005 Audi A4 Submodels:
- Base | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS
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2005 Audi A4 Differential Assembly Part Number: 01R-500-044-C
$5399.61 MSRP: $6482.13
You Save: $1082.52 (17%)
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Product Specifications
- Other Name: Differential; Differential Assembly
- Item Weight: 58.70 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 01R-500-044-C
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2005 Audi A4 Submodels:
- Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS
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2005 Audi A4 Differential Assembly Part Number: 01R-500-045-J
$4881.38 MSRP: $5860.00
You Save: $978.62 (17%)
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Product Specifications
- Other Name: Differential; Differential
- Item Weight: 50.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 01R-500-045-J
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 2005 Audi A4 Submodels:
- Cabriolet | 4 Cyl 1.8 L GAS, 6 Cyl 3.0 L GAS
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2005 Audi A4 Differential Assembly Part Number: 0AR-500-043-A
$5399.61 MSRP: $6482.13
You Save: $1082.52 (17%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Differential; Carrier, Differential Assembly
- Replaces: 01R-500-046-H
- Item Weight: 52.70 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 0AR-500-043-A
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
More Info
Fits the following 2005 Audi A4 Submodels:
- Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS

2005 Audi A4 Differential Parts and Q&A

Q: How to check and maintain the differential lubricant on 2005 Audi A4?
A: On manual transaxle models, the differential lubricant is combined with the transmission lubricant. In automatic models, they are separate. Loosen the right front wheel lug bolts, raise the vehicle, and remove the wheel. Unscrew the plug from the transaxle to check the lubricant level. If low, add lubricant, then reinstall the plug and check for leaks after driving.