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A/C Adapters Couplers Fittings

Explore our selection of A/C Adapters Couplers Fittings. Find quality products, compare options, and get fast shipping on the items you need.

A/C Adapters Couplers Fittings

More than 850 products

This category contains 899 A/C adapters, couplers, and fittings essential for connecting and sealing air conditioning system components during service and repair. These parts are used by HVAC technicians and automotive mechanics to diagnose leaks, evacuate systems, and recharge refrigerant.

About A/C Adapters Couplers Fittings

Our selection of A/C adapters, couplers, and fittings covers a wide range of applications, from standard R-134a systems to newer R-1234yf setups. You'll find everything needed to connect gauges, vacuum pumps, and refrigerant recovery machines to various A/C ports. We stock parts compatible with most vehicle makes and models.

Top brands like Mastercool and FJC are known for their durable, leak-free designs, ensuring reliable connections during critical A/C work. S.U.R. and R Auto Parts and SUR and R Auto Parts offer specialized fittings and repair solutions for damaged A/C lines. Robinair and CPS Products provide adapters and couplers designed for use with their respective A/C service equipment. For specialized OEM applications, look to Kent-Moore. OTC Tools and Equipment provides a broad range of adapters for various automotive applications. Whether you need a simple adapter or a complete fitting kit, we have the components to get the job done right.

Frequently Asked Questions

ToolSource offers a wide selection of A/C Adapters Couplers Fittings with over 899 products from leading industrial brands. Top brands include S.U.R. and R Auto Parts, Mastercool, FJC, Robinair.

Consider the specific application, required specifications, and brand preference. Our product listings include detailed specifications to help you find the right fit.

ToolSource offers free shipping on orders over $99. Check individual product pages for specific shipping details and availability.
Displaying 1 to 36 (of 1086 products)
S.U.R. and R Auto Parts

#10 Hose to 16mm Compression

#10 Hose to 16mm Compression

Your Price: $27.50
S.U.R. and R Auto Parts

#12 Clamps Set (5)

#12 Clamps Set (5)

Your Price: $22.88
FJC

#2610 Service Port with #2615

#2610 Service Port with #2615

Your Price: $7.34
S.U.R. and R Auto Parts

#6 A/C Hose (10')

#6 A/C Hose (10')

Your Price: $28.47
S.U.R. and R Auto Parts

#6 HOSE TO 5/16" COMP UNION

#6 HOSE TO 5/16" COMP UNION

Your Price: $19.82
S.U.R. and R Auto Parts

#8 Clamps Set (5)

#8 Clamps Set (5)

Your Price: $16.37
S.U.R. and R Auto Parts

#8 Hose to 12mm Compression Union

#8 Hose to 12mm Compression Union

Your Price: $30.73
S.U.R. and R Auto Parts

#8 Hs-#8 90D 3/4-16 Fm OR w/Sc

#8 Hs-#8 90D 3/4-16 Fm OR w/Sc

Your Price: $22.67
S.U.R. and R Auto Parts

#8 Hs-#8 Str 3/4-16 Male ORng

#8 Hs-#8 Str 3/4-16 Male ORng

Your Price: $14.20
S.U.R. and R Auto Parts

(2)1/2"-1/2"90 DEG PUSH CONN

(2)1/2"-1/2"90 DEG PUSH CONN

Your Price: $22.02
S.U.R. and R Auto Parts

(2)1/2"-1/2"STRAIGHT PUSH CON

(2)1/2"-1/2"STRAIGHT PUSH CON

Your Price: $16.38
S.U.R. and R Auto Parts

(2)1/2"NYLON TO NYLON PUSH-ON

(2)1/2"NYLON TO NYLON PUSH-ON

Your Price: $16.14
Steelman

(PK of 25) Replacement Valve Core Caps

(PK of 25) Replacement Valve Core Caps

Your Price: $6.10
Airsept

0.472" Comp. Guard 5 pack

0.472" Comp. Guard 5 pack

Your Price: $14.31
List Price: $20.42
30% off
FJC

1 1/16 OUT OF 2754

1 1/16 OUT OF 2754

Your Price: $26.61
List Price: $45.25
41% off
3M Automotive

1-1/4" HOOKIT ROUND SANDING

1-1/4" HOOKIT ROUND SANDING

Your Price: $31.40
S.U.R. and R Auto Parts

1/2 A/C COMPREESION UNION (1)

1/2 A/C COMPREESION UNION (1)

Your Price: $30.75
Alemite

1/2 A/C COMPRESSION UNION

1/2 A/C COMPRESSION UNION

Your Price: $32.25
List Price: $49.46
35% off
CPS Products

1/2 Acme M X 1/8Npt M Ftg Rev B

1/2 Acme M X 1/8Npt M Ftg Rev B

Your Price: $1.56
CPS Products

1/2 Acme Tee Fitting Ac766

1/2 Acme Tee Fitting Ac766

Your Price: $7.02
Mastercool

1/2 FLAR ADPT XXX

1/2 FLAR ADPT XXX

Your Price: $8.34
List Price: $8.96
7% off
S.U.R. and R Auto Parts

1/2" & 12mm Fuel Line

1/2" & 12mm Fuel Line

Your Price: $157.73
S.U.R. and R Auto Parts

1/2" A/C BLOCK OFF (1)

1/2" A/C BLOCK OFF (1)

Your Price: $27.05
Robinair

1/2" Acme Quick Seal Adapter

1/2" Acme Quick Seal Adapter

Your Price: $17.49
S.U.R. and R Auto Parts

1/2" Hose to 3/4" Compression

1/2" Hose to 3/4" Compression

Your Price: $28.71
S.U.R. and R Auto Parts

1/2" Hose to 5/8" Compression

1/2" Hose to 5/8" Compression

Your Price: $24.18
S.U.R. and R Auto Parts

1/2" Nylon To Nylon 90° Union

1/2" Nylon To Nylon 90° Union

Your Price: $9.34
S.U.R. and R Auto Parts

1/2" Nylon To Nylon Straight

1/2" Nylon To Nylon Straight

Your Price: $13.56
S.U.R. and R Auto Parts

1/2" Quick Connect To Nylon

1/2" Quick Connect To Nylon

Your Price: $14.01
S.U.R. and R Auto Parts

1/2" x 20 - 1/2" x 20 Bump

1/2" x 20 - 1/2" x 20 Bump

Your Price: $12.36
S.U.R. and R Auto Parts

1/2"-20 Double Oversized

1/2"-20 Double Oversized

Your Price: $14.16
S.U.R. and R Auto Parts

1/2"-20 Invrtd Flare Nut 100pk

1/2"-20 Invrtd Flare Nut 100pk

Your Price: $130.03
List Price: $217.77
40% off
S.U.R. and R Auto Parts

1/2"-20 Single Oversized

1/2"-20 Single Oversized

Your Price: $14.16
Mastercool

1/2-20 UNF-F X 1/4 FL-M CONN

1/2-20 UNF-F X 1/4 FL-M CONN

Your Price: $8.90
S.U.R. and R Auto Parts

1/2QuickConectToNylonConector

1/2QuickConectToNylonConector

Your Price: $13.61
List Price: $23.15
41% off
Displaying 1 to 36 (of 1086 products)

A/C Adapters, Couplers, and Fittings

A/C adapters, couplers, and fittings are indispensable tools for automotive mechanics working with air conditioning systems. These components play a critical role in creating secure, leak-free connections during installation, repair, or maintenance of A/C systems. Whether you're connecting refrigerant lines, adapting different hose sizes, or ensuring proper sealing for high-pressure applications, these tools allow for precision and efficiency in even the most complex A/C repair tasks. Designed to meet the rigorous demands of professional automotive repair, these tools are essential for maintaining optimal vehicle cooling system performance. High-quality A/C adapters, couplers, and fittings feature durable constructions, typically from corrosion-resistant materials like aluminum or brass, ensuring longevity under extreme conditions. Their ergonomic designs and secure locking mechanisms simplify the installation process while preventing leaks or disconnections—a vital requirement for A/C systems operating under high pressures. Mechanics use these tools for tasks such as splicing A/C tube ends, connecting vacuum pumps, or adapting hose diameters for specialized repairs. With their compatibility across various vehicle makes and models, including General Motors' specific systems, these fittings and adapters deliver exceptional versatility. By investing in these precision-engineered tools, technicians can maximize their efficiency, reduce system downtime, and foster customer satisfaction with reliable results. Incorporating robust A/C adapters, couplers, and fittings into your toolkit ensures seamless and professional air conditioning service, saving time while reinforcing a reputation for quality workmanship.

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