Four Seasons 39186 A/C Expansion Valve - Front

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Expansion Valve

Four Seasons 39186 A/C Expansion Valve - Front

Brand	Four Seasons 39186
Position	Front
Color	Aluminum
Description	Expansion Valves
Liquid Inlet Fitting Gender	Female
Liquid Inlet Fitting Thread Diameter	No. 6
Liquid Inlet Size IN	0.4
Liquid Inlet Size MM	10.15
Liquid Inlet Style	Captured O-Ring
Liquid Inlet Thread Type	Not Threaded
Liquid Inlet Type	O-Ring
Liquid Outlet Fitting Gender	Female
Liquid Outlet Fitting Thread Diameter	No. 10
Liquid Outlet Style	Captured O-Ring
Liquid Outlet Thread Type	Not Threaded
Liquid Outlet Type	O-Ring
Lqd Out Size IN	0.61
Lqd Out Size MM	15.5
Material	Aluminum
Meets / Exceeds OEM?	Yes
Mounting Hole Quantity	2
O-Ring A Number/Desc	[24611] / Green O-Ring
O-Ring B Number/Desc	[24661] / Green O-Ring
O-Ring C Number/Desc	[24681] / Green O-Ring
Refrigerant Type	R134A
Style	w/o Solenoid
Suc In Size IN	0.72
Suc In Size MM	18.3
Suc Out Size IN	0.72
Suc Out Size MM	18.3
Suction Inlet Fitting Gender	Female
Suction Inlet Fitting Thread Diameter	No. 12
Suction Inlet Style	Captured O-Ring
Suction Inlet Thread Type	Not Threaded
Suction Inlet Type	O-Ring
Suction Outlet Fitting Gender	Female
Suction Outlet Fitting Thread Diameter	No. 12
Suction Outlet Style	Captured O-Ring
Suction Outlet Thread Type	Not Threaded
Suction Outlet Type	O-Ring
Super Heat	-0.250
Switch Included?	Not Included
Tonnage	1.500
Type	Block Type
Product line	Expansion Valve
Fits	Jaguar, Cadillac, Lexus, and Toyota · 98 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable system service.

Block type design. Compact aluminum construction with captured O-ring connections.

R134A compatible. Built for refrigerant systems using this common refrigerant type.

Cross-references Four Seasons 39186, 217186 and 759186 for the same application. See all 25.

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Four Seasons 39186 Expansion Valve

Four Seasons 39186 is a block-type A/C expansion valve for R134A systems. Built from aluminum and configured without a solenoid, it meters refrigerant flow to support stable evaporator performance in select Jaguar, Cadillac, Lexus, and Toyota applications.

Key Features

Block-type A/C expansion valve for R134A refrigerant systems
Aluminum construction with aluminum finish
Fits OEM-style captured O-ring connections
Female suction and liquid fittings with no threaded connection
Meets or exceeds OEM requirements
Direct replacement for Four Seasons 39186

Product Details

This Four Seasons Expansion Valve line focuses on OE-style HVAC flow control for automotive air conditioning systems. Part number 39186 uses a block-type design with captured O-ring inlet and outlet sealing surfaces, making it a direct-fit service part for vehicles that use R134A refrigerant. It is specified for 1.5 tonnage applications and is listed with a no-solenoid style, which matches the factory configuration on supported vehicles. This part cross-references A17186 and T39186 for the same application.

Compatible With 2011-2019 Jaguar XJ, N/A; 2018-2019 Jaguar XJR575, N/A; 2014-2017 Jaguar XJR, N/A; 2008-2015 Cadillac CTS, N/A; 2010-2015 Jaguar XF, N/A; 2010-2015 Jaguar XFR, N/A; 2013-2015 Jaguar XFR-S, N/A; 2010-2015 Lexus RX350, N/A; 2010-2015 Lexus RX450h, N/A; 2008-2013 Toyota Highlander, Front; 2007-2012 Lexus ES350, N/A; 2005-2012 Toyota Avalon, N/A; 2007-2012 Toyota Camry, N/A; 2005-2011 Cadillac STS, N/A; 2009-2011 Toyota Venza, N/A; 2007-2010 Toyota Sienna, Front.

Common Repair Uses

Restores refrigerant metering when the original expansion valve is restricted
Addresses uneven cabin cooling in R134A A/C systems
Helps correct evaporator performance issues caused by valve wear or contamination
Supports repair of A/C systems with poor suction and liquid-side flow control
Replaces a leaking or sticking block-style expansion valve

Installation Notes and Tips

Verify the vehicle’s refrigerant type, connection style, and mounting layout before installation. This valve uses female suction and liquid fittings with captured O-ring sealing surfaces, so the mating lines and O-rings should be inspected for wear, contamination, or damage during service. Confirm the application matches the listed vehicle, including front-position fitment where noted for Toyota Highlander and Toyota Sienna.

Quality Assurance

Four Seasons lists this expansion valve as meeting or exceeding OEM requirements. The aluminum construction and OE-style fitment details support consistent replacement on supported Jaguar, Cadillac, Lexus, and Toyota HVAC systems.

This part fits 98 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Submodel	Liters	Cylinders	Fuel Type	Position	Notes
2019	Jaguar	XJ	—	—	—	—	N/A	Expansion Valve
2019	Jaguar	XJR575	—	—	—	—	N/A	Expansion Valve
2018	Jaguar	XJ	—	3.0L	V6	—	N/A	Expansion Valve
2018	Jaguar	XJ	Supercharged	5.0L	V8	—	N/A	Expansion Valve
2018	Jaguar	XJ	L Supercharged	5.0L	V8	—	N/A	Expansion Valve
2018	Jaguar	XJ	L Portfolio	3.0L	V6	—	N/A	Expansion Valve
2018	Jaguar	XJ	R-Sport	3.0L	V6	—	N/A	Expansion Valve
2018	Jaguar	XJR575	—	—	—	—	N/A	Expansion Valve
2017	Jaguar	XJ	—	—	—	—	N/A	Expansion Valve
2017	Jaguar	XJR	—	—	—	—	N/A	Expansion Valve
2016	Jaguar	XJ	—	—	—	—	N/A	Expansion Valve
2016	Jaguar	XJR	—	—	—	—	N/A	Expansion Valve
2015	Cadillac	CTS	—	6.2L	V8	—	N/A	Expansion Valve
2015	Jaguar	XF	—	—	—	—	N/A	Expansion Valve
2015	Jaguar	XFR	—	—	—	—	N/A	Expansion Valve
2015	Jaguar	XFR-S	—	—	—	—	N/A	Expansion Valve
2015	Jaguar	XJ	—	—	—	—	N/A	Expansion Valve
2015	Jaguar	XJR	—	—	—	—	N/A	Expansion Valve
2015	Lexus	RX350	—	—	—	—	N/A	Expansion Valve
2015	Lexus	RX450h	—	—	—	—	N/A	Expansion Valve
2014	Cadillac	CTS	—	3.0L	V6	—	N/A	Expansion Valve
2014	Cadillac	CTS	—	6.2L	V8	—	N/A	Expansion Valve
2014	Jaguar	XF	—	—	—	—	N/A	Expansion Valve
2014	Jaguar	XFR	—	—	—	—	N/A	Expansion Valve
2014	Jaguar	XFR-S	—	—	—	—	N/A	Expansion Valve
2014	Jaguar	XJ	—	—	—	—	N/A	Expansion Valve
2014	Jaguar	XJR	—	—	—	—	N/A	Expansion Valve
2014	Lexus	RX350	—	—	—	—	N/A	Expansion Valve
2014	Lexus	RX450h	—	—	—	—	N/A	Expansion Valve
2013	Cadillac	CTS	—	—	—	—	N/A	Expansion Valve
2013	Jaguar	XF	—	—	—	—	N/A	Expansion Valve
2013	Jaguar	XFR	—	—	—	—	N/A	Expansion Valve
2013	Jaguar	XFR-S	—	—	—	—	N/A	Expansion Valve
2013	Jaguar	XJ	—	—	—	—	N/A	Expansion Valve
2013	Lexus	RX350	—	—	—	—	N/A	Expansion Valve
2013	Lexus	RX450h	—	—	—	—	N/A	Expansion Valve
2013	Toyota	Highlander	—	—	—	—	Front	Expansion Valve
2012	Cadillac	CTS	—	—	—	—	N/A	Expansion Valve
2012	Jaguar	XF	—	—	—	—	N/A	Expansion Valve
2012	Jaguar	XFR	—	—	—	—	N/A	Expansion Valve
2012	Jaguar	XJ	—	—	—	—	N/A	Expansion Valve
2012	Lexus	ES350	—	—	—	—	N/A	Expansion Valve
2012	Lexus	RX350	—	—	—	—	N/A	Expansion Valve
2012	Lexus	RX450h	—	—	—	—	N/A	Expansion Valve
2012	Toyota	Avalon	—	—	—	—	N/A	Expansion Valve
2012	Toyota	Camry	—	3.5L	V6	—	N/A	Expansion Valve
2012	Toyota	Camry	—	3.5L	V6	GAS	N/A	Expansion Valve
2012	Toyota	Camry	—	2.5L	L4	—	N/A	Expansion Valve
2012	Toyota	Camry	—	2.5L	L4	GAS	N/A	Expansion Valve
2012	Toyota	Highlander	—	—	—	—	Front	Expansion Valve
2011	Cadillac	CTS	—	—	—	—	N/A	Expansion Valve
2011	Cadillac	STS	—	—	—	—	N/A	Expansion Valve
2011	Jaguar	XF	—	—	—	—	N/A	Expansion Valve
2011	Jaguar	XFR	—	—	—	—	N/A	Expansion Valve
2011	Jaguar	XJ	—	—	—	—	N/A	Expansion Valve
2011	Lexus	ES350	—	—	—	—	N/A	Expansion Valve
2011	Lexus	RX350	—	—	—	—	N/A	Expansion Valve
2011	Lexus	RX450h	—	—	—	—	N/A	Expansion Valve
2011	Toyota	Avalon	—	—	—	—	N/A	Expansion Valve
2011	Toyota	Camry	—	—	—	—	N/A	Expansion Valve
2011	Toyota	Highlander	—	—	—	—	Front	Expansion Valve
2011	Toyota	Venza	—	—	—	—	N/A	Expansion Valve
2010	Cadillac	CTS	—	—	—	—	N/A	Expansion Valve
2010	Cadillac	STS	—	—	—	—	N/A	Expansion Valve
2010	Jaguar	XF	—	—	—	—	N/A	Expansion Valve
2010	Jaguar	XFR	—	—	—	—	N/A	Expansion Valve
2010	Lexus	ES350	—	—	—	—	N/A	Expansion Valve
2010	Lexus	RX350	—	—	—	—	N/A	Expansion Valve
2010	Lexus	RX450h	—	—	—	—	N/A	Expansion Valve
2010	Toyota	Avalon	—	—	—	—	N/A	Expansion Valve
2010	Toyota	Camry	—	—	—	—	N/A	Expansion Valve
2010	Toyota	Highlander	—	—	—	—	Front	Expansion Valve
2010	Toyota	Sienna	—	—	—	—	Front	Expansion Valve
2010	Toyota	Venza	—	—	—	—	N/A	Expansion Valve
2009	Cadillac	CTS	—	—	—	—	N/A	Expansion Valve
2009	Cadillac	STS	—	—	—	—	N/A	Expansion Valve
2009	Lexus	ES350	—	—	—	—	N/A	Expansion Valve
2009	Toyota	Avalon	—	—	—	—	N/A	Expansion Valve
2009	Toyota	Camry	—	—	—	—	N/A	Expansion Valve
2009	Toyota	Highlander	—	—	—	—	Front	Expansion Valve
2009	Toyota	Sienna	—	—	—	—	Front	Expansion Valve
2009	Toyota	Venza	—	—	—	—	N/A	Expansion Valve
2008	Cadillac	CTS	—	—	—	—	N/A	Expansion Valve
2008	Cadillac	STS	—	—	—	—	N/A	Expansion Valve
2008	Lexus	ES350	—	—	—	—	N/A	Expansion Valve
2008	Toyota	Avalon	—	—	—	—	N/A	Expansion Valve
2008	Toyota	Camry	—	—	—	—	N/A	Expansion Valve
2008	Toyota	Highlander	—	3.5L	V6	GAS	Front	Expansion Valve
2008	Toyota	Sienna	—	—	—	—	Front	Expansion Valve
2007	Cadillac	STS	—	—	—	—	N/A	Expansion Valve
2007	Lexus	ES350	—	—	—	—	N/A	Expansion Valve
2007	Toyota	Avalon	—	—	—	—	N/A	Expansion Valve
2007	Toyota	Camry	—	—	—	—	N/A	Expansion Valve
2007	Toyota	Sienna	—	—	—	—	Front	Expansion Valve
2006	Cadillac	STS	—	—	—	—	N/A	Expansion Valve
2006	Toyota	Avalon	—	—	—	—	N/A	Expansion Valve
2005	Cadillac	STS	—	—	—	—	N/A	Expansion Valve
2005	Toyota	Avalon	—	—	—	—	N/A	Expansion Valve
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Directly replaces or cross-references 25 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Four Seasons — 3918621718675918680716780717380730615506971551220313114731311763411462375918647520681113918619129999191303451918765989022549885150703088515081008851533020A17186C2Z6539CWK759186T39186