---
product_id: 648770105
title: "Relay Bypass Switch & Diagnostic Tester - 9038 Tester Kit, Scan Tool, Fuel Pump Relay Bypass Master, Replaces 9036/9037, Compatible with Domestic GM, BMW, Audi, Chrysler (6-Pack)"
brand: "rvmarinepat"
price: "AR$109779"
currency: ARS
in_stock: true
reviews_count: 13
category: "Rvmarinepat"
url: https://www.desertcart.com.ar/products/648770105-relay-bypass-switch-and-diagnostic-tester-9038-tester-kit-scan
store_origin: AR
region: Argentina
---

# 20A continuous current Wide vehicle compatibility Faster diagnostics Relay Bypass Switch & Diagnostic Tester - 9038 Tester Kit, Scan Tool, Fuel Pump Relay Bypass Master, Replaces 9036/9037, Compatible with Domestic GM, BMW, Audi, Chrysler (6-Pack)

**Brand:** rvmarinepat
**Price:** AR$109779
**Availability:** ✅ In Stock

## Summary

> ⚡ Diagnose smarter, fix faster, and never miss a beat with RVMARINEPAT!

## Quick Answers

- **What is this?** Relay Bypass Switch & Diagnostic Tester - 9038 Tester Kit, Scan Tool, Fuel Pump Relay Bypass Master, Replaces 9036/9037, Compatible with Domestic GM, BMW, Audi, Chrysler (6-Pack) by rvmarinepat
- **How much does it cost?** AR$109779 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/648770105-relay-bypass-switch-and-diagnostic-tester-9038-tester-kit-scan)

## Best For

- rvmarinepat enthusiasts

## Why This Product

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

## Key Features

- • **Universal Compatibility:** Seamlessly works with GM, BMW, Audi, Chrysler, VW, and replaces multiple relay models (9036/9037/9038).
- • **Plug & Play Power Control:** Instantly bypass relays to directly control fuel pumps, headlights, and more without hassle.
- • **Complete 6-Pack Versatility:** Multiple relay testers included for diverse repair needs—perfect for pros who demand readiness and efficiency.
- • **Durable High-Performance Build:** Engineered for 20A continuous and 30A surge current at 12V, ensuring reliable, long-lasting operation.
- • **Time-Saving Diagnostic Mastery:** Pinpoint electrical faults quickly by directly controlling circuits—cut your troubleshooting time in half.

## Overview

The RVMARINEPAT Relay Bypass Switch & Diagnostic Tester Kit (9038) is a professional-grade 6-pack relay bypass tool designed for quick, reliable diagnostics and control of fuel pumps and other vehicle components. Compatible with major domestic and European brands like GM, BMW, Audi, and Chrysler, it replaces multiple relay models and supports 20A continuous current with a 30A surge capacity. Built to OEM standards, this compact, plug-in tester accelerates troubleshooting and enhances repair precision for automotive professionals.

## Description

Buy RVMARINEPAT Relay Bypass Switch & Diagnostic Tester - 9038 Tester Kit, Scan Tool, Fuel Pump Relay Bypass Master, Replaces 9036/9037, Compatible with Domestic GM, BMW, Audi, Chrysler (6-Pack): Fuel Pump - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great diagnosing tools - This relay's came in hand to help diagnose a relay board on a Supra 950MT.
Review: Worth the purchase easier than a jumper wire - Worked well as I expected

## Features

- Wide Compatibility & Effortless Control: This Relay tester kit is designed for seamless compatibility with a wide range of vehicles, including Audi, BMW, Volkswagen, GM, Chrysler, and more. Our relay bypass kit also replaces multiple relay models (9038, 9036, 9037) and provides direct control over fuel pumps, window motors, headlights, and other components
- Save Time & Diagnose Faster: This diagnostic tester is very convenient. Quickly identify electrical issues and save valuable time during repairs. Simply plug the relay tester into the fuel pump relay position to gain direct control over the circuit and pinpoint problems
- Reliable Performance & Built to Last: Crafted from high-quality materials, this relay tester is rigorously tested to meet or exceed OEM standards. Our relay bypass switch kit enjoy consistent operation with its 20 amp continuous and 30 amp surge current (12V) capacity, ensuring long-lasting performance
- Complete Kit for Versatile Applications: This 6-pack 9038 includes multiple Relay Testers, giving you ample options for a variety of repair needs and making it a valuable addition to any mechanic's tool box
- Component Included: Our product include relay bypass switch kit 9036-1(36-LRG 20AMP), 9036-2(36-MED 20AMP), 9036-3(36-SML 10AMP), 9037-1(37-LRG 20AMP), 9037-2(37-MED 20AMP), 9037-3(37-SML 10AMP)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D81S5Q6N |
| Best Sellers Rank | #12,290 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Fuel Pump Relays |
| Brand | RVMARINEPAT |
| Coil Voltage | 12 Volts |
| Connector Type | Plug-In |
| Contact Current Rating | 20 Amps |
| Contact Material | Aluminum |
| Contact Type | Normally Closed |
| Current Rating | 20 Amps |
| Date First Available | June 26, 2024 |
| Item Weight | 4.6 ounces |
| Item model number | 9038 |
| Manufacturer | RVMARINEPAT |
| Maximum Switching Voltage | 12 Volts |
| Minimum Switching Voltage | 12 Volts |
| Mounting Type | Panel Mount |
| Operation Mode | Manual |
| Product Dimensions | 0.39 x 0.39 x 0.39 inches |
| Specification Met | CE |
| Wattage | 240 watts |

## Product Details

- **Connector Type:** Plug-In
- **Contact Material:** Aluminum
- **Contact Type:** Normally Closed
- **Current Rating:** 20 Amps
- **Mounting Type:** Panel Mount

## Images

![Relay Bypass Switch & Diagnostic Tester - 9038 Tester Kit, Scan Tool, Fuel Pump Relay Bypass Master, Replaces 9036/9037, Compatible with Domestic GM, BMW, Audi, Chrysler (6-Pack) - Image 1](https://m.media-amazon.com/images/I/61VAMFdIHCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great diagnosing tools
*by M***U on December 14, 2025*

This relay's came in hand to help diagnose a relay board on a Supra 950MT.

### ⭐⭐⭐⭐⭐ Worth the purchase easier than a jumper wire
*by D***D on November 28, 2025*

Worked well as I expected

### ⭐⭐⭐⭐⭐ Good gadget
*by D***R on December 5, 2025*

Looks great

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**Shop now:** [https://www.desertcart.com.ar/products/648770105-relay-bypass-switch-and-diagnostic-tester-9038-tester-kit-scan](https://www.desertcart.com.ar/products/648770105-relay-bypass-switch-and-diagnostic-tester-9038-tester-kit-scan)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-01-27*