
Solderless Tube Connectors for A/C, Automotive and Refrigeration. ISO ISO 9001:2000 Certified

LOKRING Automotive Products

American LOKRING offers a complete line of products specific to Automotive A/C applications. In addition to Union and Reducing Connectors for joining same or dissimilar metal tubing, LOKRING developed Hose-LOK for joining standard double-braided hose to tubes and Tube-LOK, which will join double-braided hose to tubes using any of the LOKRING Reducing Connectors, Tees, Elbows or Service Ports. New Products include Cut-out Switch Ports for R-12 and GM Orifice Tube Repair Kits
LOKRING for OEM Quality Connections.

LOKRING Hose-LOK & Tube-LOK

Fast!

RELIABLE!

NO Welding!

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LOKRING Hose-LOK for Hose to Tube Connections.

Hose-LOK, for union hose to tube connections, features the General Motors approved LOKRING Connector combined with the extremely reliable Modified P90 Barbed Beadlock. Just crimp Hose-LOK to your Goodyear or Dayco hose and join the LOKRING Connector to existing aluminum tube using the LOKRING Assembly Tool.

Hose-LOK Short Shaft Style.

Part No.	Hose Size
HLF-SS 3/8	No. 6
HLF-SS 1/2	No. 8
HLF-SS 5/8	No. 10
HLF-SS 3/4	No. 12

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LOKRING Tube-LOK for Step Size Hose to Tube Connections.

Tube-LOK combines the extremely reliable Modified P90 Barbed Beadlock configuration on a straight tube that will accommodate the General Motors approved LOKRING Reducing and Union Connectors.

Part No.	Size
TL 3/8	No. 6
TL 1/2	No. 8
TL 5/8	No. 10
TL 3/4	No. 12

Just crimp Tube-LOK to your Goodyear or Dayco hose and use a LOKRING Connector to join the aluminum tube.
And the finished repair looks better than the original.

Follow these links to LOKRING Connectors!!
Union Connector Sizes to Match Tube-LOK	Reducing Connector Sizes from 3/8" to 5/8"
LOKRING Tube-LOK fits Dayco Hose #3305, Goodyear Single-Braided Hose #4823, Goodyear Double Braided Hose #4824. For all other hose sizes and brands, please consult your American LOKRING Representative.

LOKRING Service Ports

LOKRING Service Ports for recharging and servicing R134a A/C systems. Available for high or low pressure applications, LOKRING Service Tees install quickly with the standard LOKRING Assembly Tool.
LOKRING for OEM Quality Connections.

Switch Port Line Splicer

LOKRING Cut-out Switch Ports

Tube OD	Switch Threads	LOKRING Part No.
3/8"	Male 3/8-24 thread	3/8 AL FMSP
1/2"	Male 3/8-24 thread	1/2 AL FMSP
3/8"	Female 7/16-20 thread	9.53 NK AL SV 50
1/2"	Female 7/16-20 thread	13 NK AL SV 50

Quick and Reliable! Comply with the over-pressure cut-out switch requirements by using a LOKRING High-Pressure Clutch Cut-out Switch Port when retro-fitting R-12 to R-134a. Available for 3/8" or 1/2" od lines with ports to fit female 7/16-20 (1/4" flare) and male 3/8-24 thread switch configurations.

GM Orifice Tube Repair Kit

Part No. GMOTRK 1/2

Repair Liquid-Line! Install a new, serviceable orifice tube* between Evaporator and Condenser with LOKRING Connectors. Never replace line again.

*Orifice Tube Not Included in Line Repair Kit

Click Here to Request additional Information on any Lokring Products.

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