£214.84

Mastercool 53376 R134a Visual Inspection Sight Glass Kit

Red Blue, 53376

Price data last checked 20 day(s) ago - will refresh soon

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

This is the most expensive it has ever been. Walk away.

£215 today · previous high £215 · all-time low £155

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 71 days • 71 data points (No recent data available)

Historical
Generating forecast...
£214.84 £149.53 £163.78 £178.03 £192.28 £206.53 £220.78 22 February 2026 11 March 2026 29 March 2026 15 April 2026 03 May 2026

Price Distribution

Price distribution over 71 days • 3 price levels

Days at Price
Current Price
1 day 19 days 51 days · current 0 13 26 38 51 £155 £193 £215 Days at Price

Price Analysis

Most common price: £215 (51 days, 71.8%)

Price range: £155 - £215

Price levels: 3 different prices over 71 days

Description

Improve your automotive A/C diagnostics with the Mastercool 53376 R134a Visual Inspection Sight Glass. This extra large tool helps you quickly determine if an A/C system requires a flush, ensuring the proper operation of all components and maintaining overall cooling efficiency. By allowing you to see the actual condition of the refrigerant, you can make informed decisions about system maintenance and repairs. This kit is designed for ease of use in professional settings. It features high and low side quick couplers that snap easily onto A/C service ports, making them ideal for working in tight engine compartments. The included R134a 60 inch nylon barrier charging hoses meet SAE J2196 standards for refrigerant containment and durability. Whether you are checking for contaminants or verifying system health, this Mastercool tool provides the visibility needed for accurate service.

Key Features

Visual inspection sight glass lets you see the real-time condition of refrigerant in a vehicle A/C system to check for contaminants.

Includes a refrigerant condition chart that visually shows possible contaminants to assist with accurate system diagnosis.

High and low side quick couplers snap easily onto A/C service ports and are designed to work efficiently in tight quarters.

R134a 60 inch nylon barrier charging hoses meet SAE J2196 standards for maximum durability and refrigerant containment.

Extra large sight glass design helps you quickly determine if an A/C system needs to be flushed for better cooling efficiency.

Product Specifications

Model
53376
Colour
Red Blue
Size
Xl
Domain
Amazon UK
Release Date
01 January 2020
Listed Since
01 January 2011

Barcode

No barcode data available

Similar Products You Might Like

BGS 8557 | Air Condition Leakage Tester
97% match

BGS 8557 | Air Condition Leakage Tester

BGS

£74.13 07 Feb 2026
Today's Technician: Automotive Heating & Air Conditioning Classroom Manual and Shop Manual (Mindtap Course List)
97% match

Today's Technician: Automotive Heating & Air Conditioning Classroom Manual and Shop Manual (Mindtap Course List)

Cengage Learning

£108.10 24 Feb 2026
Valeo Service 817608 Condenser
97% match

Valeo Service 817608 Condenser

Valeo

£65.48 11 Jan 2026
Today's Technician: Automotive Heating & Air Conditioning Classroom Manual and Shop Manual, Spiral bound Version (Today’s Technician)
97% match

Today's Technician: Automotive Heating & Air Conditioning Classroom Manual and Shop Manual, Spiral bound Version (Today’s Technician)

Cengage Learning

£83.71 26 Feb 2026
KS Tools 5501192 Air Conditioning Leak Detector
97% match

KS Tools 5501192 Air Conditioning Leak Detector

KS TOOLS

£86.88 02 May 2026
MASTERCOOL 58490 Mastercool Universal A/C Valve Core Remover/Installer, Black
96% match

MASTERCOOL 58490 Mastercool Universal A/C Valve Core Remover/Installer, Black

Mastercool

£145.36 12 Jan 2026
ERRECOM Extreme Ultra - 6 x 6mL, Leak Stop for Vehicle A/C Systems, Includes R1234yf and R134a adapters
96% match

ERRECOM Extreme Ultra - 6 x 6mL, Leak Stop for Vehicle A/C Systems, Includes R1234yf and R134a adapters

ERRECOM

£80.99 03 May 2026
Mastercool 59161 2-Way Heavy Duty Brass Manifold Gauge Set with 3 1/8" Silicone Dampened Gauges and 1/4" SAE Fittings for R410a, R22, R404A - U.S. Assembled & Tested with 60" Hoses
96% match

Mastercool 59161 2-Way Heavy Duty Brass Manifold Gauge Set with 3 1/8" Silicone Dampened Gauges and 1/4" SAE Fittings for R410a, R22, R404A - U.S. Assembled & Tested with 60" Hoses

Mastercool

£108.01 07 Jan 2026
Errecom Extreme Ultra Leak Stop for Air Conditioning and Refrigeration Systems, includes Reusable and Rechargeable Direct Injection System Easy Inject 1/4 SAE - 6 mL
96% match

Errecom Extreme Ultra Leak Stop for Air Conditioning and Refrigeration Systems, includes Reusable and Rechargeable Direct Injection System Easy Inject 1/4 SAE - 6 mL

ERRECOM

£50.00 10 Jan 2026
Nissens 89108 Compressor, air conditioning
96% match

Nissens 89108 Compressor, air conditioning

Nissens

£191.88 30 Jan 2026
MAHLE ACP 1411 000P A/C Compressor
96% match

MAHLE ACP 1411 000P A/C Compressor

MAHLE

£320.25 31 Jan 2026
Valeo Service 508639 Expansion Valves
96% match

Valeo Service 508639 Expansion Valves

Valeo

£41.62 09 May 2026
UAC CO 11210C A/C Compressor
96% match

UAC CO 11210C A/C Compressor

UAC

£140.23 29 Jan 2026
MAHLE ACP 343 000S A/C Compressor
96% match

MAHLE ACP 343 000S A/C Compressor

MAHLE

£228.36 01 Feb 2026
MAHLE ACP 1205 000P A/C Compressor
96% match

MAHLE ACP 1205 000P A/C Compressor

MAHLE

£548.39 15 Apr 2026
MAHLE ACP 889 000S A/C Compressor
96% match

MAHLE ACP 889 000S A/C Compressor

MAHLE

£263.72 01 Feb 2026
Universal Air Conditioner CN 3112PFC A/C Condenser
96% match

Universal Air Conditioner CN 3112PFC A/C Condenser

UAC

£68.00 30 Jan 2026
VALEO SERVICE 817712 Condenser
96% match

VALEO SERVICE 817712 Condenser

Valeo

£106.90 17 Feb 2026
ERRECOM Extreme Ultra - 6 x 6mL, Air Conditioning and Refrigeration Leak Stop, Includes 1/4 SAE and 5/16 SAE (R410a, R32) adapters
96% match

ERRECOM Extreme Ultra - 6 x 6mL, Air Conditioning and Refrigeration Leak Stop, Includes 1/4 SAE and 5/16 SAE (R410a, R32) adapters

ERRECOM

£56.26 02 May 2026
ALLAIR Portable Air Conditioner 3-IN-1 8000 BTU, Dehumidifier, Cooling Fan - WiFi Smart APP, Weekly Timer, Cooling in 10 Minutes,Temperature 17°C - 35°C, Remote Control and Accessories Included
96% match

ALLAIR Portable Air Conditioner 3-IN-1 8000 BTU, Dehumidifier, Cooling Fan - WiFi Smart APP, Weekly Timer, Cooling in 10 Minutes,Temperature 17°C - 35°C, Remote Control and Accessories Included

ALL AIR

Out of Stock 06 Feb 2026
Introduction to Refrigeration and Air Conditioning Systems: Theory and Applications (Synthesis Lectures on Mechanical Engineering)
96% match

Introduction to Refrigeration and Air Conditioning Systems: Theory and Applications (Synthesis Lectures on Mechanical Engineering)

Springer

£61.43 23 Feb 2026
MAHLE ACP 1331 000S A/C Compressor
96% match

MAHLE ACP 1331 000S A/C Compressor

MAHLE

£255.72 01 Feb 2026
MAHLE ACP 1468 000P A/C Compressor
96% match

MAHLE ACP 1468 000P A/C Compressor

MAHLE

£582.86 05 Feb 2026
Robinair 18192 R-134A Manual Replacement Coupler Set
96% match

Robinair 18192 R-134A Manual Replacement Coupler Set

Robinair

£96.82 12 Jan 2026