---
product_id: 30493237
title: "42021 Manifold Only with 3-1/8\" Color-Coded Gauges, bar/psi, R-410A (Clamshell)"
brand: "yellow jacket"
price: "Bs.2217"
currency: BOB
in_stock: true
category: "Yellow Jacket"
url: https://www.desertcart.bo/products/30493237-42021-manifold-only-with-3-1-8-color-coded-gauges
store_origin: BO
region: Bolivia
---

# 3-1/8" color-coded gauges for quick, error-free use 1% accuracy for pinpoint readings forged brass body for ultimate durability 42021 Manifold Only with 3-1/8" Color-Coded Gauges, bar/psi, R-410A (Clamshell)

**Brand:** yellow jacket
**Price:** Bs.2217
**Availability:** ✅ In Stock

## Summary

> 🎯 Nail every HVAC job with precision and durability!

## Quick Answers

- **What is this?** 42021 Manifold Only with 3-1/8" Color-Coded Gauges, bar/psi, R-410A (Clamshell) by yellow jacket
- **How much does it cost?** Bs.2217 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/30493237-42021-manifold-only-with-3-1-8-color-coded-gauges)

## Best For

- yellow jacket enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Readability:** Oversized 3-1/8" color-coded scales eliminate guesswork and speed up diagnostics.
- • **Maximized Flow Capacity:** Full porting design optimizes refrigerant flow for efficient system servicing.
- • **Smooth Operation, Less Wear:** Sliding double 'O' ring pistons reduce friction and extend manifold lifespan.
- • **Built to Last, Built for You:** Rugged forged brass body and polycarbonate crystal gauges withstand tough jobsite conditions.
- • **Precision that Professionals Trust:** Class 1 accuracy ensures your critical charge systems are perfectly calibrated every time.

## Overview

The Yellow Jacket 42021 Manifold features oversized 3-1/8" color-coded gauges with 1% accuracy, a forged brass body for rugged durability, and sliding double 'O' ring pistons to reduce wear. Designed for HVAC professionals, it offers full porting for maximum flow and long-lasting nylon seats, making it a reliable tool for precise refrigerant charging and diagnostics.

## Description

Manifolds are also available with larger, easier to read 3-1/8" color-coded gauges in rugged steel cases with polycarbonate crystals. These gauges feature 1% accuracy (class 1) for an exact reading in critical charge systems. Forged brass body for durability. Full porting maximizes capacity and flow. Some models include color-coded, 60" plus II hoses with standard 1/4" flare fittings. Hose assemblies UL recognized for 4000 psi (275 bar) burst and 800 psi (55 bar) working pressure.

## Features

- Color-coded scales
- Sliding double “O” ring pistons reduce wear
- Long life nylon seats
- Package Dimensions: 2" L x 2" W x 2" H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0039L0LGU |
| Best Sellers Rank | #1,329,597 in Automotive ( See Top 100 in Automotive ) #201 in Air Conditioning Manifolds |
| Date First Available | June 9, 2010 |
| Item Weight | 2 pounds |
| Item model number | 42021 |
| Manufacturer | Fotronic Corporation |
| Product Dimensions | 13 x 13 x 4.5 inches |

## Images

![42021 Manifold Only with 3-1/8" Color-Coded Gauges, bar/psi, R-410A (Clamshell) - Image 1](https://m.media-amazon.com/images/I/81DHnljZasL.jpg)

## Frequently Bought Together

- Yellow Jacket 42021 Manifold Only with 3-1/8" Color-Coded Gauges, bar/psi, R-410A (Clamshell)
- Yellow Jacket 49190 Boots for 3-1/8" Gauges
- Yellow Jacket 49137 3-1/8" Red Pressure, 0-800 psi, R-22/404A/410A Gauge Degrees F

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**Shop now:** [https://www.desertcart.bo/products/30493237-42021-manifold-only-with-3-1-8-color-coded-gauges](https://www.desertcart.bo/products/30493237-42021-manifold-only-with-3-1-8-color-coded-gauges)

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-02-25*