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Item #:
3352949
K&W 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive - 7 Fl Oz
87% of respondents would recommend this to a friend
Item #:
3352949
XCD 70
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Trans-X Posi-Trac limited slip gear oil additive improves gear oil performance and quiets chattering differentials.
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What Stands Out
Enhanced Performance
Boosts limited slip performance, ensuring smoother gear engagement and improved traction for a more controlled driving experience in various conditions.
Versatile Compatibility
Compatible with most gear oils, making it an ideal additive for a wide range of vehicles, ensuring seamless integration and enhanced functionality.
Easy Application
The 7 Fl Oz bottle offers an easy-to-use pour spout, simplifying the application process to enhance your vehicle's differential without the need for professional assistance.
Product Details
- Formulated to quiet chattering differentials and enhance gear oil performance.
- Maintains smooth limited-slip operation and reduces friction, wear, and overheating while eliminating chatter.
- Compatible for use with conventional GL-5 or synthetic gear oils.
- Meets GM, Ford, and Chrysler specifications for reliable performance.
- 7 fl oz size for convenient application and storage.
| Container Type | Tube |
| Viscosity | Low |
| Viscosity Level | Low |
| Liquid Volume | 7 fluid ounces |
| Item Weight | 0.27 g |
| Material | Polytetrafluoroethylene |
| Brand Name | CRC |
| Recommended Uses For Product | Automotive |
| Specific Uses For Product | Vehicles with limited slip differentials |
| Item Form | Oil |
| Global Trade Identification Number | 00078372020582 |
| Manufacturer | CRC |
| Unit Count | 7 Fluid Ounces |
| UPC | 078372020582 078372025082 |
| Number of Items | 1 |
| Included Components | Trans-X Posi Trac Limited Slip Gear Oil Additive |
| Item Type Name | Gear Oil Additive |
| Model Number | 402508 |
| Part Number | 402508 |
| Brand | CRC |
| Package Information | Tube |
Who Should Buy?
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Performance Vehicles
Enhances traction and smooth operation for high-performance cars with limited-slip differentials in extreme conditions.
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Older Vehicles
Revitalizes older limited-slip differentials, restoring lubrication and reducing wear for enhanced lifespan.
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Off-Road Enthusiasts
Ideal for off-road applications, offering improved grip and durability during harsh terrain activities.
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Standard Differentials
Not necessary for conventional differentials that do not require limited-slip additives for proper functioning.
Product Description
K&W 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive - 7 Fl Oz
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is K&W 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive?
Answer: The K&W 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive is a specialized additive designed to improve the performance of limited-slip differentials in vehicles. It enhances friction properties, reducing chatter and ensuring smoother operation under various driving conditions. This product is ideal for both new and existing gear oil and is compatible with most gear oil formulations. -
Question:
How do I use the K&W Trans-X additive?
Answer: Using the K&W Trans-X additive is straightforward. Simply add the entire 7 fl oz bottle to your vehicle's differential or gear oil reservoir. This additive blends seamlessly with existing oil, optimizing performance. It's beneficial to use it at your next scheduled oil change or when you notice performance issues with your limited-slip differential. -
Question:
What are the benefits of using this additive?
Answer: The K&W Trans-X additive offers several benefits including reduced gear noise, minimized chatter, and improved overall vehicle handling. It helps to restore and maintain the necessary friction levels in your differential, enhancing its longevity and performance. Whether you’re driving in dry, wet, or off-road conditions, this additive ensures your vehicle’s performance remains optimal. -
Question:
Is K&W Trans-X safe for all vehicle types?
Answer: Yes, K&W Trans-X is suitable for most passenger vehicles, trucks, and SUVs equipped with limited-slip differentials. However, it is crucial to ensure compatibility with your specific gear oil type. Always check your vehicle’s manual for recommendations regarding additives and consult with a mechanic if unsure. -
Question:
How often should I use the K&W Trans-X additive?
Answer: The frequency of use depends on the manufacturer’s recommendations for your vehicle as well as your driving conditions. Generally, adding K&W Trans-X during every oil change can help maintain optimal differential performance. For vehicles experiencing issues like noise or slipping, using it sooner can help restore functionality. -
Question:
Can I use this product in manual transmissions?
Answer: K&W Trans-X is primarily formulated for limited-slip differentials and not recommended for use in manual transmissions. Using the additive in the wrong application may not yield desired results and could potentially cause issues. Always refer to your vehicle specifications before adding any product. -
Question:
What should I do if I experience chatter in my differential?
Answer: If you’re experiencing chatter or noise in your differential, it’s a clear sign that your gear oil may be in need of enhancement. Adding K&W Trans-X Posi Trac Limited Slip Additive can mitigate this issue by improving lubrication and restoring friction balance. Regular use can help prevent future problems. -
Question:
Is K&W Trans-X effective for off-road vehicles?
Answer: Absolutely, K&W Trans-X is highly effective for off-road vehicles. Its formulation helps to handle the extreme conditions faced during off-road driving, ensuring smooth performance in challenging terrains. This additive aids in maintaining consistent traction and handling, which is vital for off-road adventures. -
Question:
Where can I buy K&W 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive in Saint Kitts and Nevis?
Answer: You can buy K&W 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive - 7 Fl Oz from Ubuy. Ubuy offers a seamless shopping experience with various options for getting this high-quality gear oil additive directly to your doorstep. -
Question:
What is the quantity of K&W Trans-X in the bottle?
Answer: The K&W Trans-X Posi Trac Limited Slip Additive comes in a 7 fl oz bottle. This quantity is designed to be sufficient for most differential applications, allowing you to enhance your gear oil's performance without needing to purchase multiple bottles at once. It's a convenient size for maintenance and routine applications.
CRC Gear Oils 402508 Editorial Review
K&W 402508 Trans-X Posi Trac Limited Slip Gear Oil Additive - 7 Fl Oz is adept at rejuvenating older clutches and ensuring smooth operation in limited slip differentials. Users have expressed satisfaction with its effectiveness, noting significant noise reduction in their vehicles, such as in a 2000 Firebird Trans Am and a 2020 Ram 1500. This 7 fluid ounce tube contains a low-viscosity formula made from polytetrafluoroethylene and is designed specifically for automotive use, guaranteeing compatibility with various vehicles. The product's straightforward application method, alongside its successful results reported in reviews, makes it a reliable choice for routine maintenance of your vehicle’s differential.
Customer Reviews & Ratings
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Pros
- Revives old clutches effectively
- Reduces noise in limited slip differentials
- Easy to use for routine maintenance
- Compatible with various vehicle models
- Smooths out differential operation
Cons
- Some users noticed a slight noise under specific conditions
Platform Trust & Buyer Confidence
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Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Features & Benefits
- Improves gear oil performance
- Quiets chattering differentials
- Maintains smooth operation of the limited-slip
- Reduces friction, wear and overheating
- Eliminates chatter
- Compatible with GL-5 or synthetic gear oils
- Meets GM, Ford and Chrysler specifications
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