---
product_id: 43207787
title: "Transmission Adapter Fittings"
brand: "ict billet"
price: "$38.45"
currency: USD
in_stock: null
reviews_count: 13
category: "Ict Billet"
url: https://www.desertcart.us/products/43207787-transmission-adapter-fittings
store_origin: US
region: United States of America
---

# Precision 1/4" NPSM thread size -6AN flare compatibility for custom transmission lines Made in USA, aerospace-grade billet aluminum Transmission Adapter Fittings

**Brand:** ict billet
**Price:** $38.45
**Availability:** ❌ Out of Stock

## Summary

> ⚙️ Upgrade your transmission game with precision and pride!

## Quick Answers

- **What is this?** Transmission Adapter Fittings by ict billet
- **How much does it cost?** $38.45 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/43207787-transmission-adapter-fittings)

## Best For

- ict billet enthusiasts

## Why This Product

- Trusted ict billet brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Value Meets Quality:** Premium American-made fittings at a price that beats competitors, delivering reliability without compromise.
- • **Leak-Proof Assurance:** Includes high-quality O-rings for a flawless, drip-free seal that stands up to daily driving demands.
- • **Seamless Compatibility:** Fits a wide range of transmissions including TH350, 4L60E, 700R4, and more — no guesswork, just plug and play.
- • **Custom-Built Confidence:** Craft your own -AN transmission lines with perfect -6AN fittings tailored for top GM and Ford transmissions.
- • **Aerospace-Grade Durability:** Manufactured from premium billet aluminum in Wichita, Kansas, ensuring unmatched strength and longevity.

## Overview

ICT Billet Transmission Adapter Fittings offer professional-grade, aerospace-quality aluminum adapters designed for seamless integration with popular GM and Ford transmissions. Made in the USA, these -6AN fittings provide a durable, leak-proof solution for custom transmission lines, backed by excellent customer reviews and trusted compatibility.

## Description

Buy ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114: Fittings - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: American Made Fittings! - Do not buy the other cheap fittings that are on desertcart! Spend the extra $4 and get the most bang for your buck. I bought other fittings and they were cheap cast aluminum that sheared off before it was seated! These are high quality fittings that install like a dream, and to too it off, they are American Made! These same fittings are $20 plus shipping on Summit, so the price is great for a truly great product!
Review: 2001 Tahoe 4l60e/4l65e - Used these on my 4l65e with -6an to a stand alone transmission cooler kn my 01 Tahoe. Threaded in perfectly and no leaks with 3 weeks of daily driving. Great quality and easy to install

## Features

- Build your own custom -AN transmission lines with these -6AN fittings
- Compatible with GM transmission case holes, up to 2007
- Compatible with: TH350, TH400, 4L60E, 700R4, 200-4R, TR6060, Ford AOD 4R100, 4R70W, and C5 transmissions
- Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum
- Includes 2 fittings and orings

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01MSCVIXG |
| Best Sellers Rank | #73,627 in Automotive ( See Top 100 in Automotive ) #281 in Automotive Replacement Fuel System Fittings |
| Brand | ICT Billet |
| Color | Natural |
| Connector Type | Adapter |
| Customer Reviews | 4.7 4.7 out of 5 stars (960) |
| Date First Available | January 30, 2017 |
| Exterior Finish | Metallic Finish |
| Global Trade Identification Number | 00730792484763 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.6 ounces |
| Item dimensions L x W x H | 4.2 x 2.9 x 0.9 inches |
| Item model number | 551114 |
| Manufacturer | ICT Billet |
| Manufacturer Part Number | 551114 |
| Material | Aluminum |
| Model | FBA_551114 |
| Number of Pieces | 4 |
| OEM Part Number | 551114 |
| Product Dimensions | 4.2 x 2.9 x 0.9 inches |
| Size | 0.126 inches |
| Thread Size | 1/4 inch |
| Thread Type | NPSM |
| UPC | 730792484763 |

## Product Details

- **Brand:** ICT Billet
- **Color:** Natural
- **Connector Type:** Adapter
- **Exterior Finish:** Metallic Finish
- **Item Weight:** 0.1 Pounds
- **Item dimensions L x W x H:** 4.2 x 2.9 x 0.9 inches
- **Material:** Aluminum
- **Size:** 0.126 inches
- **Thread Size:** 1/4 inch
- **Thread Type:** NPSM

## Images

![Transmission Adapter Fittings - Image 1](https://m.media-amazon.com/images/I/61CegzYbO8L.jpg)
![Transmission Adapter Fittings - Image 2](https://m.media-amazon.com/images/I/61DPbgIlcOL.jpg)
![Transmission Adapter Fittings - Image 3](https://m.media-amazon.com/images/I/71BA1WujezL.jpg)
![Transmission Adapter Fittings - Image 4](https://m.media-amazon.com/images/I/71kX1ksgCEL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ American Made Fittings!
*by A***R on November 9, 2025*

Do not buy the other cheap fittings that are on Amazon! Spend the extra $4 and get the most bang for your buck. I bought other fittings and they were cheap cast aluminum that sheared off before it was seated! These are high quality fittings that install like a dream, and to too it off, they are American Made! These same fittings are $20 plus shipping on Summit, so the price is great for a truly great product!

### ⭐⭐⭐⭐⭐ 2001 Tahoe 4l60e/4l65e
*by J***M on March 27, 2025*

Used these on my 4l65e with -6an to a stand alone transmission cooler kn my 01 Tahoe. Threaded in perfectly and no leaks with 3 weeks of daily driving. Great quality and easy to install

### ⭐⭐⭐⭐⭐ Do not put the smack down on it
*by B***A on November 22, 2025*

Works great, No leaks. An line converted my 01 Chevy and ran it straight to a cooler up front. Don’t over tighten these. I only used a socket and hand tightened them.

## Frequently Bought Together

- ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-24*