SKU: 17994634829

Wavetrac® Limited Slip Differential | 02J (2004-up)

Sale price$625.97 Regular price$695.52
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Description

Wavetrac® Limited Slip Differential | 02J (2004-up)FITS: 2004 2005 Mk4 Golf Jetta w 5 speed 02J trans 2005 2014 Mk5 Mk6 Golf Jetta 2. 5L and 2. 0L 8v IMPORTANT NOTE: *** Late 2004 05 Mk4 models may have different ring gears, contact sales staff prior to ordering (build date after March 2004 are affected) *** The Wavetrac differential uses a patent pending design to improve grip in low traction conditions. Precisely engineered, converging diverging wave profiles are placed on one side gear and its

 

FITS:
  • 2004-2005 Mk4 Golf/Jetta w/ 5-speed 02J trans
  • 2005-2014 Mk5 / Mk6 Golf / Jetta 2.5L and 2.0L 8v

IMPORTANT NOTE: *** Late 2004-05 Mk4 models may have different ring gears, contact sales staff prior to ordering (build date after March 2004 are affected) ***

 

The Wavetrac differential uses a patent pending design to improve grip in low traction conditions. Precisely engineered, converging / diverging wave profiles are placed on one side gear and its mating preload hub. As the two side gears rotate relative to each other, each wave surface climbs the other, causing them to move apart. This imparts an increased normal force through the side gears, increasing the bias ratio as a function of load. This increase occurs automatically only when conditions find it necessary, and it 'reverts' back to its nominal bias ratio quickly and seamlessly, maintaining optimal drivability and performance at all times. It's like having two differentials in one: you get the benefit of a higher bias ratio when needed without detriment to the car's handling.

Interchangeable Friction Plates Provide Controlled Bias

Here's something else you won't find in any other design:

The Wavetrac diff's behavior can be altered in the field to suit your needs. It comes standard with carbon-fiber bias plates for the best all around performance. Interchangeable plates using materials with different friction coefficients to fine-tune the bias ratio are sold separately.

These friction plates provide a mechanism to tune the response of the differential as a function of applied torque load. The applied torque load manifests itself as an axial load from the differential pinions into the housing. This axial force is then considered a normal force into the friction plate, and as a function of the effective coefficient of friction, will provide a resistive torque to the rotational motion of the differential pinions. The resistive torque will add to the resistance of relative rotation of all components within the differential. The resistive force, however, is non-uniform since it is a function of the axial load from the differential pinions. The unbalance of the resistive torque will manifest as non-uniform energy absorption within the differential causing a bias ratio.

Superior Design, Materials, and Construction

Includes ARP Ring Gear Bolt Kit!

Wavetrac Differential 02J-B MK4 '04+ 5spd and MK5 2.5L 5cyl 5spd manual. Also 5 speed manual MK6 & MK7. 02S 6 speed.

The 180WK 02J will fit until 2004 will have a 114mm ring gear inner diameter
The 181WK 02JB's after 2004 will have a 113mm ring gear inner diameter

Designed from a clean sheet, the new Wavetrac® Differential brings current gear technology to the market. Internally, its gear tooth forms are optimized for strength and improved oil film retention over competitive designs. Our gear package is smaller, reducing overall mass, yet is more durable. Attention was also paid to the side gear/axle interface, putting as much material thickness as possible in this critical area - most important when power levels get high. Each Wavetrac® Differential is crafted from the highest quality materials available. The internal gears are made from high strength 9310 alloy steel. The diff bodies are machined from case hardened steel billet. To complete the package, every Wavetrac® differential is built exclusively using high quality, high strength fasteners from ARP®, the world leader in fastener technology.

Torque supplied ring gear bolts to 90ft. lbs

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 17994634829

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D'King
Boise, US
★★★★★ 5
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Reviewed in the United States on October 13, 2025
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AP
Battle Creek, US
★★★★★ 1
Do not recommend
Edible, though barely. Definitely the worst tasting oysters I've tried of all the brands. Hopefully I don't get food poisoning as has been reported by other reviewers.
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NYC girl
Grantham, US
★★★★★ 5
Great product at a better price than other brands
No garbage ingredients. Just high quality product at a better price than all other brands.
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Reviewed in the United States on November 23, 2025
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Michael Tatom
Belleville, US
★★★★★ 5
High quality product.
Warmth? I’m not sure what that means. I make a simple dish out of these, some milk, butter and salt and pepper—then I “warm” it up. They’re a little pricey but the quality and taste/flavor is great. I would definitely buy them again.
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Fun.Frugal.Mom.
Carnegie, US
★★★★★ 4
Good and can be used in many dishes.
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