Features & Benefits
- Reduces differential temperature and noise
- Prevents rust
- Extends life of clutches and gears
- Volume: 4 oz
- Fits multiple vehicle makes and models
- High quality product
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- ACDelco GM Original Equipment 10-4003 Limited...
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Item #:
1271973
ACDelco GM Original Equipment 10-4003 Limited Slip Axle Lubricant Additive - 4 oz
90% of respondents would recommend this to a friend
Item #:
1271973
NZD 32
Price Details
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*All items will import from US
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Imported from USA store
QTY:
Only 12 items left in stock.
Order now and get it around Thursday, August 27
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Specially formulated to reduce differential temperature, prevent rust, and extend the life of clutches and gears
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What Stands Out
Enhanced Performance
This lubricant additive improves traction and stability by reducing friction in limited slip differentials, ensuring smoother performance under various driving conditions.
OEM Quality
Manufactured by ACDelco, this product meets strict original equipment manufacturer standards, guaranteeing reliability and compatibility with GM vehicles for optimal performance.
Convenient Size
The 4 oz size is perfect for single-use applications, making it easy to store and handle without unnecessary waste or complexity during maintenance.
Product Details
- Specially formulated to reduce differential temperature and prevent rust
- Extends the life of clutches and gears
- High quality product reduces friction and noise in the rear axle
- Compatible with various vehicle models including Cadillac, Buick, Chevrolet, and Saturn
- 4 oz volume, comes in a single tube
- Designed for use as a limited slip differential fluid additive
| Container Type | Tube |
| Liquid Volume | 0.12 liters |
| Material | Oil |
| Brand Name | ACDelco |
| Recommended Uses For Product | Lubricant |
| Specific Uses For Product | Rear axle maintenance and noise reduction |
| Item Form | Liquid |
| Global Trade Identification Number | 00021625274096 |
| Manufacturer | ACDelco |
| Unit Count | 4 Ounce |
| UPC | 021625274096 |
| Number of Items | 1 |
| Included Components | Slip Axle Lubricant |
| Item Type Name | Slip Axle Lubricant |
| Model Number | 10-4003 |
| Part Number | 10-4003 |
| Brand | ACDelco |
| Package Information | Tube |
| Package Weight | 1.0 Pound |
What's in the box
Slip Axle Lubricant
Who Should Buy?
-
Limited Slip Differential Owners
Ideal for vehicle owners with limited slip differentials needing enhanced traction and reduced wear.
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Heavy-Duty Applications
Recommended for users operating in heavy-duty conditions, providing additional lubrication for improved performance.
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DIY Mechanics
Perfect for DIY enthusiasts looking to maintain their vehicle's axle fluid performance with a reliable additive.
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Non-Limited Slip Differentials
Not suitable for vehicles with standard differentials, as it may lead to unwanted performance issues.
Product Description
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Customer Questions & Answers
-
Question:
What is ACDelco GM Original Equipment 10-4003 Limited Slip Axle Lubricant Additive used for?
Answer: The ACDelco GM Original Equipment 10-4003 Limited Slip Axle Lubricant Additive is specifically designed to enhance the performance of limited slip differentials. This additive reduces friction and noise between clutch plates, allowing smoother operation and improved traction under various driving conditions. It's ideal for drivers who want to maintain optimal differential function, especially in vehicles requiring precise torque distribution to the wheels. Regular use of this additive can prolong the life of your differential components and improve overall vehicle handling. -
Question:
How does the ACDelco 10-4003 Limited Slip Axle Lubricant Additive work?
Answer: This product works by providing a specialized chemical composition that modifies the properties of conventional axle lubricants. When added to gear oil, it helps to minimize wear and improve the frictional characteristics of the limited slip differential. This results in reduced slippage and wear on clutch plates, maximizing the longevity and performance of your vehicle's differential system. Using this additive especially matters if you're regularly driving in heavy traffic, tackling steep terrains, or engaging in off-road driving, where differential performance is crucial. -
Question:
Can I use ACDelco 10-4003 in any vehicle?
Answer: While ACDelco 10-4003 is compatible with various vehicles requiring limited slip axle additives, it is primarily formulated for GM vehicles and models that specify the use of such an additive. Always check your owner's manual or consult a professional to ensure compatibility with your vehicle's specific differential fluid needs. If you drive a model that relies heavily on its differential for performance, such as trucks used for towing or sports cars, this additive can make a significant difference in reliability and function. -
Question:
How do I properly add the ACDelco 10-4003 additive to my vehicle?
Answer: To add the ACDelco 10-4003 Limited Slip Axle Lubricant Additive, first locate the differential fill plug on your vehicle. Ensure that you have the correct type of differential fluid per your vehicle’s specifications. Depending on the capacity of your differential, the entire 4 oz bottle may be needed, or you may need to adjust according to your fluid levels. After ensuring that the fluid is warm to promote flow, pour the additive into the differential before sealing it back up. Perform this maintenance step regularly, especially before long trips or off-road adventures. -
Question:
What happens if I don't use an additive in a limited slip differential?
Answer: Failing to use a lubricant additive in a limited slip differential can lead to increased friction and heat, resulting in premature wear and potential failure of the differential components. Without the right additives, the clutches may stick or chatter, leading to poor handling and unstable vehicle performance, particularly in tight turns or slippery conditions. Drivers who frequently navigate through heavy traffic, steep hills, or challenging terrains may notice an enhanced performance and smoother operation with the additive, making it essential for maintaining optimal system function. -
Question:
Is ACDelco 10-4003 necessary for all limited slip differentials?
Answer: While not all limited slip differentials require an additive, using the ACDelco 10-4003 is recommended for those that do to enhance performance. If your differential operates on specific lubricants or has high torque demands, the additive can provide smoother operation and help reduce lift and binding that can occur under stress. If your driving scenarios include heavy loads, frequent turning, or challenging terrains, this additive can protect your differential and ensure reliable performance over time. -
Question:
Can I mix ACDelco 10-4003 with other lubricants?
Answer: It is generally not recommended to mix different brands or types of axle lubricants, as this could lead to inconsistent performance levels. However, the ACDelco 10-4003 is designed to be compatible with many standard gear oils, specifically those used in limited slip differentials. When adding this product, it is best to check with the lubricant manufacturer for compatibility or use it in conjunction with the recommended fluids for your vehicle. This will help ensure you maintain the best possible protective qualities and performance standards. -
Question:
Where can I find ACDelco GM Original Equipment 10-4003 Limited Slip Axle Lubricant Additive?
Answer: You can purchase the ACDelco GM Original Equipment 10-4003 Limited Slip Axle Lubricant Additive on Ubuy. They offer reliable service, a secure shopping experience, and the product is readily available for delivery. By choosing Ubuy, you can ensure that you're receiving an authentic product designed to support your vehicle’s differential function. -
Question:
What are the benefits of using ACDelco 10-4003 over other brands?
Answer: ACDelco 10-4003 stands out due to its formulation designed specifically for GM vehicles, ensuring compatibility and support for robust performance. With its proven track record, ACDelco’s commitment to quality means enhanced protection against wear and tear in limited slip differentials. Additionally, users have reported smoother operation and improved traction in various driving conditions, making it a preferred choice for those who push their vehicles to the limit. For anyone concerned about their vehicle’s drivetrain longevity, choosing ACDelco provides peace of mind. -
Question:
How often should I use the ACDelco 10-4003 additives?
Answer: The frequency of using the ACDelco 10-4003 Limited Slip Axle Lubricant Additive largely depends on your driving habits and the conditions your vehicle frequently encounters. For regular road use, it is advisable to inspect and add the additive during standard oil changes or maintenance intervals. In more demanding scenarios, such as heavy towing or off-road driving, consider applying it more frequently. Monitoring your vehicle’s performance can also indicate when it may be necessary to refresh these additives to keep your differential functioning optimally.
ACDelco Anti-Seize 10-4003 Editorial Review
The ACDelco GM Original Equipment Limited Slip Axle Lubricant Additive is highly recommended by customers for use in limited slip differentials. Customers have reported that it effectively eliminates clunking and grinding noises in the rear end, especially when turning. The product is specifically designed for Corvette limited slip differentials from 1953-2009, and it can also be used in other vehicles with limited slip differentials. Some customers have noted that the product does not come with the spout as shown in the product photo. Overall, the ACDelco GM Original Equipment Limited Slip Axle Lubricant Additive is praised for its effectiveness and great value compared to local retailers.
Customer Reviews & Ratings
971 customers ratings
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5 Star
89%
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4 Star
6%
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3 Star
3%
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2 Star
1%
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1 Star
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Pros
- Effectively eliminates clunking and grinding noises in the rear end
- Specifically designed for Corvette limited slip differentials
- Great value compared to local retailers
Cons
- Does not come with the spout as shown in the product photo
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Top selling Limited Slip Additive in New Zealand
Last Updated on August 19, 2026
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NZD 32
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