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Description:
The WIX Spin-On Transmission Filter 57701 is a premium, full-flow transmission filter engineered for Chevrolet and GMC trucks equipped with 6.6L Duramax Diesel or 8.1L Vortec engines (2001–2020), as well as various other heavy-duty trucks and buses. Designed for optimal transmission protection, it utilizes high-quality cellulose filtration media to efficiently capture harmful particles and maintain consistent hydraulic fluid flow. This filter’s robust construction, 780 PSI burst pressure rating, and precise 3/4-20 thread ensure secure installation and long-lasting reliability under demanding conditions.
Features:
Compatible with Chevrolet/GMC pickups (2001–2020) and Allison transmission systems
Full-flow design maintains consistent transmission fluid pressure and flow
Cellulose media efficiently captures contaminants for clean, reliable operation
High burst pressure (780 PSI) for durability under heavy load conditions
By-pass valve setting: 8 PSI for controlled fluid flow under restriction
Beta Ratio (2/20 = 15/25) ensures balanced filtration efficiency and flow rate
Designed for maximum flow rate of 7–9 GPM
Meets or exceeds OEM standards for filtration and fitment
Specifications:
Service: Transmission
Type: Full Flow
Media: Cellulose
Height: 3" (76 mm)
Outer Diameter (Top): 3.065" (78 mm)
Thread Size: 3/4-20
By-Pass Valve Setting: 8 PSI
Beta Ratio: 2/20 = 15/25
Burst Pressure: 780 PSI
Max Flow Rate: 7–9 GPM
Nominal Micron Rating: 15
Gasket Diameters:
O.D.: 2.750" (70 mm)
I.D.: 2.460" (62 mm)
Thickness: 0.390" (10 mm)
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
