A CV axle transfers power from the transmission or differential to a driven wheel while its joints accommodate steering and suspension movement. Clicking while turning, clunking under acceleration, grease around a boot, or vibration can point to a problem, but no symptom alone confirms a bad axle. Inspect for boot or clamp damage and have the vehicle diagnosed before deciding what to replace.
What is a CV axle?
A CV axle—also called a half shaft or axle shaft—is a shaft assembly with constant-velocity (CV) joints at its ends. It carries rotational power from the transmission or differential to a wheel. The joints let the shaft keep transmitting power as the suspension moves and, on a steering axle, as the wheel turns. Flexible boots hold grease around the joints.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
|
A-Premium Set of 2 Front CV Axle Shaft Assembly | $145.99 | Buy on Amazon |
| 2 |
|
TRQ Front Left and Right CV Axle Assembly Set 2 Piece | $194.95 | Buy on Amazon |
| 3 |
|
A-Premium Set of 2 Front CV Axle Shaft Assembly | $169.99 | Buy on Amazon |
| 4 |
|
A-Premium Set of 2 Front CV Axle Shaft Assembly | $149.99 | Buy on Amazon |
| 5 |
|
A-Premium Set of 2 Front CV Axle Shaft Assembly | $159.99 | Buy on Amazon |
The number and location of CV axles depend on the vehicle’s drivetrain and suspension. Front-wheel-drive cars commonly have a pair at the front; all-wheel-drive vehicles and some independently suspended rear-wheel-drive vehicles may have them at other driven wheels. For a vehicle-specific explanation, see MOOG’s CV axle overview.
What symptoms can point to a bad CV axle?
These sounds and changes in driving behavior are clues, not a diagnosis. Other components can produce similar symptoms, so the vehicle and the conditions in which the symptom occurs matter.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
#1 Best Overall
- [Vehicle Fitment]: Compatible with Toyota Corolla 2009-2018 L4 1.8L, Matrix 2003-2006 L4 1.8L (Only for Base FWD or XR FWD Model with Manual Transmission), Matrix 2007-2008 L4 1.8L (Only for FWD & 5-Speed Manual Transmission), Matrix 2009-2012 L4 1.8L, Matrix 2013 L4 1.8L (Built Before 10/2012); Compatible with Pontiac Vibe 2003-2006 L4 1.8L (Only for Base FWD Model with Manual Transmission), Vibe 2007-2008 L4 1.8L (Only for Manual Transmission), Vibe 2009-2010 L4 1.8L
- [Reference Number]: 19183737, 19204706, 19204984, 19204985, 4341001130, 4341001131, 4342001070, 4342002390, 4342002820, 4342002B10, NCV69588, NCV69051, 665224, 66-5224, 665228, 66-5228
- [Specifications]: ① Location: Front Left and Right (Driver and Passenger Side); ② ABS Ring Included: Yes; ③ Axle Nut Included: Yes; ④ Spindle Nut Thread Size: M22 x 1.5; ⑤ Compressed Length: 25.43 inch (Left), 36.34 inch (Right); ⑥ Input Shaft Spline Count: 20; ⑦ Output Shaft Spline Count: 26
- [Function]: CV axles serve as the final link between the engine and the wheels, transferring power from the vehicle's transmission and differential to the wheels to drive the vehicle forward.
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted CV axles. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.
- Clicking or popping during a turn: Repeated clicking, especially in a tight, slow turn, can indicate wear in an outer CV joint.
- Clunking during acceleration or deceleration: A clunk as power is applied or lifted can point to an inner CV joint, but other drivetrain or suspension parts may also be responsible.
- Grease near a boot or on the inside of a wheel: This may mean a boot has split or a clamp has come loose, allowing grease to escape. Grease visibly flung around a rotating joint is more concerning than dirt or residue alone.
- Vibration: An axle or joint problem can contribute to vibration, including vibration that changes with speed. Tires, wheels, brakes, steering, suspension, and engine problems can cause it too; see MOOG’s overview of possible vibration causes.
If a symptom is affecting handling or control, arrange prompt professional assessment. A description of a noise or vibration cannot establish which part has failed.
How to check a CV axle boot safely
From a safe position, visually check accessible areas around the CV joints. Look for cracks, tears, or punctures in a boot; a missing or loose clamp; and grease clearly flung onto nearby components. Do not crawl beneath a vehicle supported only by a jack. Leave under-vehicle inspection and diagnosis to a qualified technician.
Rank #2
- CONFIRM FIT — Use the "Amazon Confirmed Fit" tool at the top of this page. Enter your vehicle information to verify fit. IMPORTANT: Check the bottom of the tool for a fitment note — click "See More" if needed — and ensure it describes your vehicle.
- OE and Aftermarket Reference Numbers: 495003Q700; 495013Q750; 66-3762; 66-3763; 663762; 663763; HY-8222; HY-8242; NCV37067; NCV37068
- YOUR TRUSTED DIY VIDEO SOURCE: TRQ offers the largest catalog of DIY videos for replacement parts, making installation easier and repairs more accessible. Our mission is to help you "View Before You Do," with hundreds of new videos added weekly.
- TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage "confirmed fit" feature and review our full compatibility chart below before purchase.
- EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
Grease or dirt buildup by itself does not always mean the axle needs replacement. BMW’s January 2, 2026 bulletin, “31 01 22 Diagnosing Front Axles Issues,” Revision 3, says buildup can be normal on the specific models it covers. For those listed vehicles, the bulletin identifies a cracked or torn boot, a missing clamp, an outer-boot clamp that can be moved easily, or visible grease slinging as conditions calling for the corresponding repair. That guidance is model-specific; follow the service information for the vehicle being inspected.
Why a damaged boot matters
A boot keeps grease around the joint and helps keep water and debris out. If it splits, grease can escape and contaminants can enter, accelerating joint wear. Normal wear and operating conditions also affect service life. MOOG notes that a suspension lift increases the CV joint’s operating angle and can contribute to premature failure.
Quick wins for a faster PC:
Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →Rank #3
- [Vehicle Fitment]: Compatible with Lexus GX460 2010-2022, GX470 2003-2009; Compatible with Toyota 4Runner 2003-2022 4WD, FJ Cruiser 2007-2014 4WD, Tacoma 2005-2014 (Only for Base Model), Tacoma 2015 (Only for TRD Sport or Base Model), Tacoma 2016-2020 (Built Before 03/2020)---Supplied with Standard Neoprene Outboard Boot
- [Reference Number]: 4343004070, 4343060060, 4343060080, 4343060081, 4343060082, NCV69170, 665235, 66-5235
- [Specifications]: ① Location: Front Left and Right (Driver and Passenger Side); ② ABS Ring Included: No; ③ Axle Nut Included: Yes; ④ Spindle Nut Thread Size: M28 x 1.5; ⑤ Compressed Length: 25.47 inch; ⑥ Input Shaft Spline Count: 30; ⑦ Output Shaft Spline Count: 30
- [Function]: CV axles serve as the final link between the engine and the wheels, transferring power from the vehicle's transmission and differential to the wheels to drive the vehicle forward
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted CV axles. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
There is no universal mileage at which every CV axle should be replaced. Decide based on inspection, diagnosis, vehicle condition, and the manufacturer’s service guidance rather than a generic interval.
Repair the boot, replace a joint, or replace the whole axle?
The right repair depends on what is damaged, whether contamination or wear has reached the joint, the vehicle’s design, available parts, and the applicable service procedure.
Rank #4
- [Vehicle Fitment]: Compatible with Chevrolet Traverse 2009-2017; Compatible with GMC Acadia 2007-2017, Acadia Limited 2017; Compatible with Buick Enclave 2008-2017; Compatible with Saturn Outlook 2007-2010---with Standard Neoprene Outboard Boot
- [Reference Number]: 22796413, 23231834, 25822834, 15116785, 20985786, 22796414, 25822833, 66-1466, 661466, 66-1465, 661465
- [Specifications]: ① Location: Front Left and Right (Driver and Passenger Side); ② ABS Ring Included: No; ③ Axle Nut Included: Yes; ④ Spindle Nut Thread Size: M27 x 2.0; ⑤ Compressed Length: 27.24 inch (Left), 23.78 inch (Right); ⑥ Input Shaft Spline Count: 27; ⑦ Output Shaft Spline Count: 33
- [Function]: CV axles serve as the final link between the engine and the wheels, transferring power from the vehicle's transmission and differential to the wheels to drive the vehicle forward
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted CV axles. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
| Repair option | When it may fit | What to confirm |
|---|---|---|
| Boot repair | The boot is damaged and inspection indicates the joint remains suitable for service. | Whether the vehicle’s service guidance permits boot replacement and whether the joint is contaminated or worn. |
| CV joint repair kit | The application supports joint-level repair and the joint can be replaced without replacing the complete axle. | Vehicle fit, kit contents, joint condition, and the correct service procedure. Spicer offers application-specific kits with hardware and grease for supported applications; availability is not universal. See Spicer’s April 11, 2024 announcement. |
| Complete CV axle assembly | The assembly is damaged or worn, or the vehicle’s repair guidance or parts availability favors assembly replacement. | Exact vehicle application, dimensions, and the manufacturer’s service procedure. |
A joint kit is not automatically a cheaper or suitable substitute for an assembly. The correct choice depends on the specific vehicle and damage. Spicer’s announcement quotes Dana senior director of sales and marketing, global aftermarket Bill Nunnery saying, “Replacing the CV joint rather than the complete driveshaft streamlines the driveshaft repair process, saving time and money.” That statement concerns supported repair-kit applications, not every vehicle or repair.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Choosing and fitting a replacement axle
Match a replacement to the exact vehicle application. MOOG recommends comparing the original and replacement axle’s spline count, compressed length, and inner and outer seal diameters. Confirm the application with the parts supplier and consult the vehicle maker’s service information; axle designs and installation steps vary.
Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteBest Value
- [Vehicle Fitment]: Compatible with Nissan Altima 2007-2012 L4 2.5L (GAS; with Automatic CVT Transaxle Only), Altima 2013 L4 2.5L (Coupe Only), Rogue 2008-2013 (for FWD Only, Not for AWD), Rogue Select 2014-2015 (for FWD Only, Not for AWD)
- [Reference Number]: 39101ET80C, 39101JA010, 39100JA010, 39100JG02C, NCV53911, NCV53912, 666262, 666264, 66-6262, 66-6264
- [Specifications]: ① Location: Front Left and Right (Driver and Passenger Side); ② ABS Ring Included: No; ③ Axle Nut Included: Yes; ④ Spindle Nut Thread Size: M24 x 1.5; ⑤ Compressed Length: 26.18 inch (Left), 38.15 inch (Right); ⑥ Input Shaft Spline Count: 27; ⑦ Output Shaft Spline Count: 29
- [Function]: CV axles serve as the final link between the engine and the wheels, transferring power from the vehicle's transmission and differential to the wheels to drive the vehicle forward
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted CV axles. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
Do not assume a generic removal sequence or torque value applies. MOOG’s CV axle removal and installation overview also directs readers to the applicable original-equipment service information for the particular vehicle.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
