Gift CardContactAbout
0 My Cart

Your cart is currently empty.

Continue shopping
Total: $0.00
View cart
Toggle menu
0
  • Home
  • Mahle OE Steel Napier Ring Set for THM Engines – 4.020 x 1.5mm .151 RW Plain Rings
-60%
Sold out
Mahle OE Steel Napier Ring Set for THM Engines – 4.020 x 1.5mm .151 RW Plain Rings
Load image into Gallery viewer, Mahle OE Steel Napier Ring Set for THM Engines – 4.020 x 1.5mm .151 RW Plain Rings

Have Questions?

(425) 295-1665 Ask an Experts

  • 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 Steel Napier Ring Set for THM Engines – 4.020 x 1.5mm .151 RW Plain Rings

Mahle OE
mhl3021205
Out of stock
Engine
$108.66 $42.97
Upgrade your engine with the Mahle OE Steel Napier Ring Set designed for THM series engines....
Mahle OE Steel Napier Ring Set for THM Engines – 4.020 x 1.5mm .151 RW Plain Rings
Description

Upgrade your engine with the Mahle OE Steel Napier Ring Set designed for THM series engines. Crafted with precision, these rings ensure a reliable seal and optimal performance in your automotive application. The set includes plain rings that provide a smooth surface for efficient combustion and minimal oil consumption. Made from durable steel, these rings are engineered to withstand high temperatures and pressures encountered during engine operation.

Installation is straightforward, and the rings are compatible with a variety of THM engine models, making them a versatile choice for rebuilds and repairs. Mahle's reputation for quality and precision manufacturing ensures that these rings meet stringent industry standards, providing long-lasting durability and consistent performance. Whether you're restoring an engine or performing routine maintenance, this ring set is an essential component for maintaining engine integrity and efficiency.

Note that these rings are not CARB approved and are intended for general automotive use. They are shipped without air freight restrictions and are sold as a complete set, ready for installation. Trust Mahle OE for high-quality parts that help your engine run smoothly and reliably over the long term.

Features:

  • Material: Steel for durability and heat resistance
  • Designed for THM engine series with 4.020-inch bore
  • Ring Dimensions: 1.5mm thickness with .151 RW (Recess Width)
  • Type: Plain Napier rings for optimal sealing
  • High-performance engineering for engine longevity
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

×