---
product_id: 22917367
title: "3963 Sandwich Adapter Kit"
brand: "flex-a-lite"
price: "$U6323"
currency: UYU
in_stock: true
url: https://www.desertcart.uy/products/22917367-3963-sandwich-adapter-kit
store_origin: UY
region: Uruguay
---

# Thickness: 2.5 inches Thread size: 13/16"-16 Weight: 1.5 pounds 3963 Sandwich Adapter Kit

**Brand:** flex-a-lite
**Price:** $U6323
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade Your Ride with Confidence!

## Quick Answers

- **What is this?** 3963 Sandwich Adapter Kit by flex-a-lite
- **How much does it cost?** $U6323 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/22917367-3963-sandwich-adapter-kit)

## Best For

- flex-a-lite enthusiasts

## Why This Product

- Trusted flex-a-lite brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **🌟 Trusted Brand:** Manufactured by Flex-a-lite, a leader in automotive solutions.
- • **💪 Durable Design:** Built to withstand high-pressure environments.
- • **🔧 Engine Efficiency:** Boosts oil flow for optimal engine cooling.
- • **⚙️ Easy Installation:** User-friendly setup for quick upgrades.
- • **🛡️ Warranty Assurance:** One-year manufacturer warranty for peace of mind.

## Overview

The 3963 Sandwich Adapter Kit by Flex-a-lite is engineered to enhance your engine's oil cooling efficiency. With a robust thread size of 13/16"-16 and a thickness of 2.5 inches, this adapter ensures a reliable pressurized oil source. Weighing just 1.5 pounds, it combines durability with ease of installation, backed by a one-year manufacturer warranty.

## Description

The Flex-a-lite sandwich adapter permits the installation of an engine oil cooler without relocating the oil filter. It installs between the oil filter and the filter land on the engine block, providing a pressurized source of oil for the engine oil cooler. This adapter features Flex-a-lite's new proprietary design in light-weight, matte finish with machined mating surfaces.

## Features

- Thread size of 13/16"-16 and 2.5" thick
- Includes 3 1/2" O-Ring
- 2 1/2" thick
- Provides a pressurized source of oil for the engine oil cooler
- One year manufacturer warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Flex-a-lite |
| Brand | Flex-a-lite |
| Item Weight | 1.5 pounds |
| Product Dimensions | 10 x 12 x 6 inches |
| Item model number | 3963 |
| Manufacturer Part Number | 3963 |
| OEM Part Number | N |
| Lift Type | Automatic |

## Product Details

- **Brand:** Flex-a-lite
- **Operation Mode:** Automatic
- **UPC:** 088657801430 088657039635
- **Global Trade Identification Number:** 00088657801430, 00088657039635

## Images

![3963 Sandwich Adapter Kit - Image 1](https://m.media-amazon.com/images/I/51kAvxsT02L.jpg)

## Frequently Bought Together

- Flex-a-lite 3963 Sandwich Adapter Kit
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**Shop now:** [https://www.desertcart.uy/products/22917367-3963-sandwich-adapter-kit](https://www.desertcart.uy/products/22917367-3963-sandwich-adapter-kit)

---

*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-05-19*