The average cost for a Infiniti Q45 Pinion Gear, Differential Replacement is between $83 - $155. Get an instant quote with our AI repair estimator.
The pinion gear is a crucial component within the vehicle's differential system. It resides in the differential assembly and is responsible for transforming the rotational motion of the driveshaft into the motion required to turn the wheels. This gear works in conjunction with the ring gear, allowing the differential to function correctly by providing the necessary torque and speed adjustments to the wheels, especially during turns. Thus, the pinion gear plays an essential role in ensuring that a vehicle can navigate smoothly around corners, adjust the wheel's speed, and maintain traction efficiency.
When the pinion gear is not functioning as it should, various symptoms might arise, indicating the need for repair or replacement. One of the most noticeable signs is abnormal noise, such as a whining or howling sound, emanating from the rear of the vehicle, especially noticeable during acceleration or deceleration. This is often due to improper alignment between the pinion and ring gear. Another symptom could be vibrations felt in the gear shift or the chassis, indicating potential misalignment or wear. Furthermore, a faulty pinion gear could lead to poor handling, particularly noticeable when turning corners, as the differential struggles to distribute power evenly between the wheels. Additionally, if left unattended, damaged pinion gears can lead to leakage of differential fluid, evident by spots on the ground under the car or unusually low fluid levels.
Pinion gear repair is relatively urgent and should not be delayed. Continuing to drive with a faulty pinion gear can lead to additional damage to the differential system and the vehicle’s drivetrain. Over time, this could result in more extensive and expensive repairs. Moreover, if the gear fails entirely, it could pose significant safety hazards, potentially leading to a loss of control of the vehicle. It is advisable to have any related issues addressed promptly to avoid further damage and ensure safe vehicle operation.
The cost of pinion gear repair can vary widely depending on factors such as the make and model of the vehicle, the extent of the damage, and the labor costs in your area. On average, the repair might range from $200 to $400 for labor, with additional costs for the parts, which could vary from $100 to $300. If the entire differential needs attention or replacement, costs could escalate significantly, sometimes reaching upwards of $1,000. It's always a good idea to get multiple quotes from different repair shops and consider their expertise in dealing with differential components.
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2006 Infiniti Q45 V8-4.5L (VK45DE) - Pinion Gear, Differential Costs
Parts: $58.00Labor: $28.00{ "partPrice": 58, "laborPrice": 28, "alldata_id": 42254, "alldata_vehicle_id": 42254, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Ring & Pinion", "part": [ { "name": "19 - Ring & Pinion", "price": "603.69", "pricecode": "", "partnumber": "381000C260" } ] } ] }, { "name": "Washers", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Washers", "note": "Order By Thickness.", "price": "13.10", "pricecode": "", "partnumber": "381540C000" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Front Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] }, { "name": "Rear Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] } ] } ] }, "year": 2006, "make": "Infiniti", "model": "Q45", "engine": "V8-4.5L (VK45DE)" }2005 Infiniti Q45 V8-4.5L (VK45DE) - Pinion Gear, Differential Costs
Parts: $58.00Labor: $44.00{ "partPrice": 58, "laborPrice": 44, "alldata_id": 39954, "alldata_vehicle_id": 39954, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Ring & Pinion", "part": [ { "name": "19 - Ring & Pinion", "price": "603.69", "pricecode": "", "partnumber": "381000C260" } ] } ] }, { "name": "Washers", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Washers", "note": "Order By Thickness.", "price": "13.10", "pricecode": "", "partnumber": "381540C000" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Front Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] }, { "name": "Rear Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] } ] } ] }, "year": 2005, "make": "Infiniti", "model": "Q45", "engine": "V8-4.5L (VK45DE)" }2004 Infiniti Q45 V8-4.5L (VK45DE) - Pinion Gear, Differential Costs
Parts: $64.00Labor: $62.00{ "partPrice": 64, "laborPrice": 62, "alldata_id": 39013, "alldata_vehicle_id": 39013, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Ring & Pinion", "part": [ { "name": "19 - Ring & Pinion", "price": "0.00", "pricecode": "", "partnumber": "381000C060" } ] } ] }, { "name": "Washers", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Washers", "note": "Order By Thickness.", "price": "13.10", "pricecode": "", "partnumber": "381540C000" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Front Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] }, { "name": "Rear Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] } ] } ] }, "year": 2004, "make": "Infiniti", "model": "Q45", "engine": "V8-4.5L (VK45DE)" }2003 Infiniti Q45 V8-4.5L (VK45DE) - Pinion Gear, Differential Costs
Parts: $53.00Labor: $67.00{ "partPrice": 53, "laborPrice": 67, "alldata_id": 39018, "alldata_vehicle_id": 39018, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Ring & Pinion", "part": [ { "name": "19 - Ring & Pinion", "price": "0.00", "pricecode": "", "partnumber": "381000C060" } ] } ] }, { "name": "Washers", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Washers", "note": "Order By Thickness.", "price": "13.10", "pricecode": "", "partnumber": "381540C000" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Front Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] }, { "name": "Rear Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] } ] } ] }, "year": 2003, "make": "Infiniti", "model": "Q45", "engine": "V8-4.5L (VK45DE)" }2002 Infiniti Q45 V8-4.5L (VK45DE) - Pinion Gear, Differential Costs
Parts: $97.00Labor: $28.00{ "partPrice": 97, "laborPrice": 28, "alldata_id": 39019, "alldata_vehicle_id": 39019, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Ring & Pinion", "part": [ { "name": "19 - Ring & Pinion", "price": "0.00", "pricecode": "", "partnumber": "381000C060" } ] } ] }, { "name": "Washers", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Washers", "note": "Order By Thickness.", "price": "13.10", "pricecode": "", "partnumber": "381540C000" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Front Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] }, { "name": "Rear Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] } ] } ] }, "year": 2002, "make": "Infiniti", "model": "Q45", "engine": "V8-4.5L (VK45DE)" }2001 Infiniti Q45 V8-4130cc 4.1L DOHC MFI (VH41) - Pinion Gear, Differential Costs
Parts: $8.00Labor: $76.00{ "partPrice": 8, "laborPrice": 76, "alldata_id": 35727, "alldata_vehicle_id": 35727, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Ring & Pinion", "part": [ { "name": "19 - Final Drive Gear Set", "price": "0.00", "pricecode": "", "partnumber": "3810011T60" } ] } ] }, { "name": "Washers", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Adjusting Washer", "note": "Order By Thickness.", "price": "16.80", "pricecode": "", "partnumber": "38154P6017" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Front Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] }, { "name": "Rear Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] } ] } ] }, "year": 2001, "make": "Infiniti", "model": "Q45", "engine": "V8-4130cc 4.1L DOHC MFI (VH41)" }2000 Infiniti Q45 V8-4130cc 4.1L DOHC MFI (VH41) - Pinion Gear, Differential Costs
Parts: $92.00Labor: $98.00{ "partPrice": 92, "laborPrice": 98, "alldata_id": 34484, "alldata_vehicle_id": 34484, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Ring & Pinion", "part": [ { "name": "19 - Final Drive Gear Set", "price": "0.00", "pricecode": "", "partnumber": "3810011T60" } ] } ] }, { "name": "Washers", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Adjusting Washer", "note": "Order By Thickness.", "price": "16.80", "pricecode": "", "partnumber": "38154P6017" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Front Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] }, { "name": "Rear Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] } ] } ] }, "year": 2000, "make": "Infiniti", "model": "Q45", "engine": "V8-4130cc 4.1L DOHC MFI (VH41)" }1999 Infiniti Q45 V8-4130cc 4.1L DOHC MFI (VH41) - Pinion Gear, Differential Costs
Parts: $43.00Labor: $93.00{ "partPrice": 43, "laborPrice": 93, "alldata_id": 33366, "alldata_vehicle_id": 33366, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Ring & Pinion", "part": [ { "name": "19 - Final Drive Gear Set", "price": "0.00", "pricecode": "", "partnumber": "3810011T60" } ] } ] }, { "name": "Washers", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Adjusting Washer", "note": "Order By Thickness.", "price": "16.80", "pricecode": "", "partnumber": "38154P6017" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Front Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] }, { "name": "Rear Axle", "note": "See Differential Case, Replace. Use Notes Or Combinations.", "qualifiers": [] } ] } ] }, "year": 1999, "make": "Infiniti", "model": "Q45", "engine": "V8-4130cc 4.1L DOHC MFI (VH41)" }1994 Infiniti Q45 V8-4494cc 4.5L DOHC (VH45) - Pinion Gear, Differential Costs
Parts: $92.00Labor: $88.00{ "partPrice": 92, "laborPrice": 88, "alldata_id": 39022, "alldata_vehicle_id": 39022, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Final Drive Gear Set", "part": [ { "name": "19 - Final Drive Gear Set", "price": "0.00", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "3810010M60" } ] } ] }, { "name": "Adjusting Shim", "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "T = 0.050", "part": [ { "name": "21 - Adjusting Shim", "price": "0.00", "pricecode": "", "partnumber": "3845328500" } ] }, { "name": "T = 0.075", "part": [ { "name": "21 - Adjusting Shim", "price": "0.00", "pricecode": "", "partnumber": "3845428500" } ] } ] } ] }, { "name": "Adjusting Washer", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Adjusting Washer", "note": "Order By Thickness.", "price": "16.80", "pricecode": "", "partnumber": "38154P6017" }, { "name": "24 - Adjusting Washer", "note": "Order By Size.", "price": "20.30", "pricecode": "", "partnumber": "3812661001" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Final Drive Ring & Pinion Gear Set", "labor": { "skill": "A", "standardtime": "5.2", "warrantytime": "3.8" }, "qualifiers": [] } ] } ] } ] }, "year": 1994, "make": "Infiniti", "model": "Q45", "engine": "V8-4494cc 4.5L DOHC (VH45)" }1993 Infiniti Q45 V8-4494cc 4.5L DOHC (VH45) - Pinion Gear, Differential Costs
Parts: $48.00Labor: $91.00{ "partPrice": 48, "laborPrice": 91, "alldata_id": 39023, "alldata_vehicle_id": 39023, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Final Drive Gear Set", "part": [ { "name": "19 - Final Drive Gear Set", "price": "0.00", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "3810010M60" } ] } ] }, { "name": "Adjusting Shim", "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "T = 0.050", "part": [ { "name": "21 - Adjusting Shim", "price": "0.00", "pricecode": "", "partnumber": "3845328500" } ] }, { "name": "T = 0.075", "part": [ { "name": "21 - Adjusting Shim", "price": "0.00", "pricecode": "", "partnumber": "3845428500" } ] } ] } ] }, { "name": "Adjusting Washer", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Adjusting Washer", "note": "Order By Thickness.", "price": "16.80", "pricecode": "", "partnumber": "38154P6017" }, { "name": "24 - Adjusting Washer", "note": "Order By Size.", "price": "20.30", "pricecode": "", "partnumber": "3812661001" } ] } ] }, { "name": "Drive Pinion Bearing Spacer", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "23 - Drive Pinion Bearing Spacer", "note": "Order By Size.", "price": "0.00", "pricecode": "", "partnumber": "3816510V00" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Final Drive Ring & Pinion Gear Set", "labor": { "skill": "A", "standardtime": "5.2", "warrantytime": "3.8" }, "qualifiers": [] } ] } ] } ] }, "year": 1993, "make": "Infiniti", "model": "Q45", "engine": "V8-4494cc 4.5L DOHC (VH45)" }1992 Infiniti Q45 V8-4494cc 4.5L DOHC (VH45) - Pinion Gear, Differential Costs
Parts: $19.00Labor: $34.00{ "partPrice": 19, "laborPrice": 34, "alldata_id": 39024, "alldata_vehicle_id": 39024, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Final Drive Gear Set", "part": [ { "name": "19 - Final Drive Gear Set", "price": "0.00", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "3810010M60" } ] } ] }, { "name": "Adjusting Shim", "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "T = 0.050", "part": [ { "name": "21 - Adjusting Shim", "price": "0.00", "pricecode": "", "partnumber": "3845328500" } ] }, { "name": "T = 0.075", "part": [ { "name": "21 - Adjusting Shim", "price": "0.00", "pricecode": "", "partnumber": "3845428500" } ] } ] } ] }, { "name": "Adjusting Washer", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Adjusting Washer", "note": "Order By Thickness.", "price": "16.80", "pricecode": "", "partnumber": "38154P6017" }, { "name": "24 - Adjusting Washer", "note": "Order By Size.", "price": "20.30", "pricecode": "", "partnumber": "3812661001" } ] } ] }, { "name": "Drive Pinion Bearing Spacer", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "23 - Drive Pinion Bearing Spacer", "note": "Order By Size.", "price": "0.00", "pricecode": "", "partnumber": "3816510V00" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Final Drive Ring & Pinion Gear Set", "labor": { "skill": "A", "standardtime": "5.2", "warrantytime": "3.8" }, "qualifiers": [] } ] } ] } ] }, "year": 1992, "make": "Infiniti", "model": "Q45", "engine": "V8-4494cc 4.5L DOHC (VH45)" }1991 Infiniti Q45 V8-4494cc 4.5L DOHC (VH45) - Pinion Gear, Differential Costs
Parts: $40.00Labor: $86.00{ "partPrice": 40, "laborPrice": 86, "alldata_id": 39025, "alldata_vehicle_id": 39025, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Final Drive Gear Set", "part": [ { "name": "19 - Final Drive Gear Set", "price": "0.00", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "3810010M60" } ] } ] }, { "name": "Adjusting Shim", "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "T = 0.050", "part": [ { "name": "21 - Adjusting Shim", "price": "0.00", "pricecode": "", "partnumber": "3845328500" } ] }, { "name": "T = 0.075", "part": [ { "name": "21 - Adjusting Shim", "price": "0.00", "pricecode": "", "partnumber": "3845428500" } ] } ] } ] }, { "name": "Adjusting Washer", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Adjusting Washer", "note": "Order By Thickness.", "price": "16.80", "pricecode": "", "partnumber": "38154P6017" }, { "name": "24 - Adjusting Washer", "note": "Order By Size.", "price": "20.30", "pricecode": "", "partnumber": "3812661001" } ] } ] }, { "name": "Drive Pinion Bearing Spacer", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "23 - Drive Pinion Bearing Spacer", "note": "Order By Size.", "price": "0.00", "pricecode": "", "partnumber": "3816510V00" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Final Drive Ring & Pinion Gear Set", "labor": { "skill": "A", "standardtime": "5.2", "warrantytime": "3.8" }, "qualifiers": [] } ] } ] } ] }, "year": 1991, "make": "Infiniti", "model": "Q45", "engine": "V8-4494cc 4.5L DOHC (VH45)" }1990 Infiniti Q45 V8-4494cc 4.5L DOHC (VH45) - Pinion Gear, Differential Costs
Parts: $3.00Labor: $49.00{ "partPrice": 3, "laborPrice": 49, "alldata_id": 39026, "alldata_vehicle_id": 39026, "title": "Pinion Gear, Differential", "parts": { "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Final Drive Gear Set", "part": [ { "name": "19 - Final Drive Gear Set", "price": "0.00", "pricecode": "Contact Dealer for most current part and price information", "partnumber": "3810010M60" } ] } ] }, { "name": "Adjusting Shim", "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "T = 0.050", "part": [ { "name": "21 - Adjusting Shim", "price": "0.00", "pricecode": "", "partnumber": "3845328500" } ] }, { "name": "T = 0.075", "part": [ { "name": "21 - Adjusting Shim", "price": "0.00", "pricecode": "", "partnumber": "3845428500" } ] } ] } ] }, { "name": "Adjusting Washer", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "20 - Adjusting Washer", "note": "Order By Thickness.", "price": "16.80", "pricecode": "", "partnumber": "38154P6017" }, { "name": "24 - Adjusting Washer", "note": "Order By Size.", "price": "20.30", "pricecode": "", "partnumber": "3812661001" } ] } ] }, { "name": "Drive Pinion Bearing Spacer", "qualifiers": [ { "name": "Rear Axle", "part": [ { "name": "23 - Drive Pinion Bearing Spacer", "note": "Order By Size.", "price": "0.00", "pricecode": "", "partnumber": "3816510V00" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Rear Axle", "qualifiers": [ { "name": "Final Drive Ring & Pinion Gear Set", "labor": { "skill": "A", "standardtime": "5.2", "warrantytime": "3.8" }, "qualifiers": [] } ] } ] } ] }, "year": 1990, "make": "Infiniti", "model": "Q45", "engine": "V8-4494cc 4.5L DOHC (VH45)" }