Gift CardContactAbout
0 My Cart

Your cart is currently empty.

Continue shopping
Total: $0.00
View cart
Toggle menu
0
  • Home
  • Earl’s – Straight Transmission Adapter -6AN Male to 9/16-18 Threads Long for GM 4L80E
Sold out
Earl’s – Straight Transmission Adapter -6AN Male to 9/16-18 Threads Long for GM 4L80E
Load image into Gallery viewer, Earl’s – Straight Transmission Adapter -6AN Male to 9/16-18 Threads Long for GM 4L80E

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.

Earl’s – Straight Transmission Adapter -6AN Male to 9/16-18 Threads Long for GM 4L80E

Earls
ERL961983ERL
Out of stock
$22.05
Optimize your GM 4L80E transmission setup with the Earl’s Straight Transmission Adapter, engineered to provide a...
Earl’s – Straight Transmission Adapter -6AN Male to 9/16-18 Threads Long for GM 4L80E
Description

Optimize your GM 4L80E transmission setup with the Earl’s Straight Transmission Adapter, engineered to provide a reliable, high-clearance solution for custom builds and engine swaps. Designed with a -6AN male to 9/16-18 long-thread connection, this adapter ensures a precise fit while converting factory hard-line ports to AN plumbing. The strong nickel-plated steel construction enhances durability, resists corrosion, and simplifies routing, offering improved flexibility compared to OEM lines. Ideal for tight transmission tunnels, it provides secure sealing and a clean installation for any high-performance or custom application.

Features:

  • Converts GM 4L80E transmission ports to -6AN lines
  • Long 9/16-18 thread design for rear transmission port
  • Durable nickel-plated steel construction
  • Improved clearance for custom engine swaps
  • Supports flexible AN plumbing over rigid OEM lines
  • Direct-fit solution for GM 4L80E applications
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

×