-60%
Sold out
  • Trusted by Racers

    Professional-grade parts used trackside.

  • Real Support, Real People

    Expert help during business hours.

  • Secure Shopping

    Encrypted checkout & trusted payments.

  • Fast U.S. Shipping

    Orders ship quickly from regional warehouses.

Mahle OE Performance Steel Napier Ring Set for THM-13 Transmission, 4.055 x .043 x .135 inches, Pack of 48

Mahle OE
mhl3021247B
Out of stock
Engine
$845.79 $329.97
This Mahle OE Performance Steel Napier Ring Set is engineered for precision and durability in automotive...

Mahle OE Performance Steel Napier Ring Set for THM-13 Transmission, 4.055 x .043 x .135 inches, Pack of 48

This Mahle OE Performance Steel Napier Ring Set is engineered for precision and durability in automotive applications, specifically designed for THM-13 transmissions. Crafted with high-quality steel, these rings provide reliable sealing and consistent performance under demanding conditions. The set includes 48 rings in a bulk pack, making it ideal for professional rebuilds and extensive repair projects. Each ring features a plain design with a radial width of approximately 0.135 inches, ensuring optimal fit and function within the transmission assembly. The dimensions are tailored to meet or exceed OEM specifications, providing peace of mind during installation and operation. Mahle OE's reputation for quality ensures these rings deliver longevity and resistance to wear, contributing to the overall reliability of your vehicle's transmission system. Suitable for shop use and large-scale repairs, this set is an essential component for maintaining transmission performance and efficiency. Whether you are rebuilding a transmission or replacing worn parts, these steel napier rings offer a cost-effective and dependable solution that aligns with professional standards.

Features:

  • High-quality steel construction for durability and long-lasting performance
  • Precision-engineered for optimal fit in THM-13 transmissions
  • Plain ring design with a radial width of approximately 0.135 inches
  • Bulk pack of 48 rings, ideal for professional rebuilds and repairs
  • Meets or exceeds OEM specifications for reliable sealing
Read More
Read Less

Shipping

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.

Returns

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).

Your cart

×