-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 Napier Ring Set for THM-13 Engines, 4.005 inches x 1.5mm, Pack of 48

Mahle OE
mhl3021262B
Out of stock
Engine
$568.81 $221.97
The Mahle OE Performance Napier Ring Set is designed to deliver reliable sealing performance for THM-13...

Mahle OE Performance Napier Ring Set for THM-13 Engines, 4.005 inches x 1.5mm, Pack of 48

The Mahle OE Performance Napier Ring Set is designed to deliver reliable sealing performance for THM-13 engine applications. Crafted with precision, these rings feature a 4.005-inch diameter and 1.5mm thickness, ensuring a proper fit and optimal compression. The set includes 48 rings, making it suitable for bulk replacement or rebuild projects, and is ideal for professional automotive workshops or serious DIY enthusiasts. Constructed from high-quality materials, these rings provide durability and consistent performance under demanding engine conditions.

Designed for easy installation, Mahle's rings are engineered to maintain proper sealing and reduce compression loss, which is critical for engine efficiency and longevity. The Napier design enhances sealing capabilities and helps prevent oil consumption, contributing to smoother engine operation and reduced emissions. This set is compatible with a range of THM-13 engines, making it a versatile choice for engine rebuilds and maintenance.

Note that this product is not CARB-approved and may require proper handling during shipping, though air freight restrictions do not apply. Mahle OE's commitment to quality ensures that each ring set meets strict manufacturing standards, providing peace of mind and dependable performance for your automotive projects.

Features:

  • Designed for THM-13 engine applications with a 4.005-inch diameter
  • 1.5mm thickness for optimal sealing and compression
  • Includes 48 rings in a bulk pack for comprehensive maintenance
  • Manufactured by Mahle OE, ensuring high quality and durability
  • Napier ring design enhances sealing efficiency and oil control
  • Easy to install with reliable performance under engine stress
  • Suitable for professional rebuilds and automotive enthusiasts
  • Not CARB-approved, designed for performance rather than emissions compliance
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

×