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TYC 97309 A/C Evaporator Core - Rear

Brand	TYC 97309
Position	Rear
Configuration	Tube & Fin
Core Height	6.69
Core Length	9.25
Core Thickness	2.36
Inlet Diameter	0.46
Inlet Fitting Design	BLOCK
Outlet Diamter	0.70
Outlet Fitting Design	BLOCK
Fits	Chevrolet, GMC, and Buick · 117 vehicles

Tube and fin design. Promotes efficient heat transfer for consistent A/C performance.

Block fittings. Simplify connection points for a straightforward replacement.

A/C evaporator core. Helps cool and dehumidify air inside the HVAC system.

Cross-references Buick 89023466, Chevrolet 89023466 and Four Seasons 44083 for the same application. See all 5.

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Rear A/C Evaporator Core for Trailblazer and Envoy

TYC 97309 is a rear A/C evaporator core built for vehicles equipped with rear air conditioning. It uses a tube and fin configuration with block-style inlet and outlet fittings for the specified applications. This part number 97309 is a direct-fit replacement for select Chevrolet Trailblazer and GMC Envoy rear HVAC systems.

Key Features

Tube & fin evaporator core construction
Core height: 6.69 in.
Core length: 9.25 in.
Core thickness: 2.36 in.
Inlet diameter: 0.46 in. with block fitting design
Outlet diameter: 0.70 in. with block fitting design
Rear HVAC application for vehicles with rear A/C

Detailed Description

TYC 97309 is an A/C evaporator core for the rear HVAC system in select GM SUVs. The tube and fin design supports refrigerant heat exchange in the rear air conditioning circuit, while the compact core dimensions and block fittings match the listed OE-style applications. This evaporator core is used in rear A/C systems for the Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Trailblazer EXT, Envoy XL, and Envoy XUV. This part cross-references Four Seasons 44083 for the same application.

What This Part Helps Address

Weak or inconsistent rear cabin cooling
Refrigerant leakage at the evaporator core
Restricted heat transfer in the rear A/C circuit
HVAC performance loss in rear air conditioning systems
Replacement needs after corrosion or internal damage

Installation Notes and Fitment

Compatible With 2002-2009 Chevrolet Trailblazer, rear, w/ Rear A/C; Configuration: Tube & Fin. Compatible With 2002-2009 GMC Envoy, rear, w/ Rear A/C; Configuration: Tube & Fin. Compatible With 2004-2007 Buick Rainier, rear, w/ Rear A/C; Configuration: Tube & Fin. Compatible With 2002-2006 Chevrolet Trailblazer EXT, rear, w/ Rear A/C; Configuration: Tube & Fin. Compatible With 2002-2006 GMC Envoy XL, rear, w/ Rear A/C; Configuration: Tube & Fin. Compatible With 2004-2005 GMC Envoy XUV, rear, w/ Rear A/C; Configuration: Tube & Fin.

Verify rear HVAC configuration, inlet and outlet fitment, and core dimensions before installation. Proper evacuation, leak checking, and system recharge are required after replacement.

Quality Assurance

TYC manufactures replacement HVAC components for OE-style fit and function across listed applications. Part number 97309 is built to match the specified rear evaporator core configuration for the vehicles shown above.

This part fits 117 vehicles

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

Year	Make	Model	Submodel	Body Type	Liters	Cylinders	Position	Notes
2009	Chevrolet	Trailblazer	SS	Sport Utility	6.0L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2009	Chevrolet	Trailblazer	LT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2009	Chevrolet	Trailblazer	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2009	GMC	Envoy	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2009	GMC	Envoy	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2009	GMC	Envoy	Denali	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2008	Chevrolet	Trailblazer	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2008	Chevrolet	Trailblazer	Base	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2008	Chevrolet	Trailblazer	Base	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2008	Chevrolet	Trailblazer	SS	Sport Utility	6.0L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2008	Chevrolet	Trailblazer	LT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2008	GMC	Envoy	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2008	GMC	Envoy	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2008	GMC	Envoy	Denali	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	Buick	Rainier	CXL	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	Buick	Rainier	CXL	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	Chevrolet	Trailblazer	LS	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	Chevrolet	Trailblazer	LS	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	Chevrolet	Trailblazer	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	Chevrolet	Trailblazer	SS	Sport Utility	6.0L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	Chevrolet	Trailblazer	LT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	Chevrolet	Trailblazer	Base	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	GMC	Envoy	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	GMC	Envoy	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2007	GMC	Envoy	Denali	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Buick	Rainier	CXL	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Buick	Rainier	CXL	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Chevrolet	Trailblazer	Base	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Chevrolet	Trailblazer	LT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Chevrolet	Trailblazer	SS	Sport Utility	6.0L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Chevrolet	Trailblazer	LS	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Chevrolet	Trailblazer	LS	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Chevrolet	Trailblazer	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Chevrolet	Trailblazer EXT	LS	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Chevrolet	Trailblazer EXT	LS	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Chevrolet	Trailblazer EXT	LT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	Chevrolet	Trailblazer EXT	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	GMC	Envoy	Denali	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	GMC	Envoy	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	GMC	Envoy	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	GMC	Envoy XL	Denali	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	GMC	Envoy XL	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2006	GMC	Envoy XL	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Buick	Rainier	CXL Plus	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Buick	Rainier	CXL	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Buick	Rainier	CXL	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Buick	Rainier	CXL Plus	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Chevrolet	Trailblazer	Base	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Chevrolet	Trailblazer	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Chevrolet	Trailblazer	LS	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Chevrolet	Trailblazer EXT	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Chevrolet	Trailblazer EXT	LS	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Chevrolet	Trailblazer EXT	LS	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	Chevrolet	Trailblazer EXT	LT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy	Denali	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy XL	Denali	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy XL	SLE	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy XL	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy XL	SLT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy XL	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy XUV	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy XUV	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy XUV	SLT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2005	GMC	Envoy XUV	SLE	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Buick	Rainier	CXL	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Buick	Rainier	CXL Plus	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Buick	Rainier	CXL	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Buick	Rainier	CXL Plus	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Chevrolet	Trailblazer	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Chevrolet	Trailblazer	LS	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Chevrolet	Trailblazer	Base	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Chevrolet	Trailblazer	North Face	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Chevrolet	Trailblazer EXT	LS	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Chevrolet	Trailblazer EXT	LT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Chevrolet	Trailblazer EXT	North Face	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Chevrolet	Trailblazer EXT	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Chevrolet	Trailblazer EXT	LS	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	Chevrolet	Trailblazer EXT	North Face	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	GMC	Envoy	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	GMC	Envoy	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	GMC	Envoy XL	SLE	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	GMC	Envoy XL	SLT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	GMC	Envoy XL	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	GMC	Envoy XL	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	GMC	Envoy XUV	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	GMC	Envoy XUV	SLE	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	GMC	Envoy XUV	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2004	GMC	Envoy XUV	SLT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer	Base	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer	LTZ	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer	North Face	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer	LS	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer EXT	North Face	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer EXT	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer EXT	North Face	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer EXT	LT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer EXT	LS	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	Chevrolet	Trailblazer EXT	LS	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	GMC	Envoy	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	GMC	Envoy	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	GMC	Envoy XL	SLT	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	GMC	Envoy XL	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	GMC	Envoy XL	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2003	GMC	Envoy XL	SLE	Sport Utility	5.3L	V8	Rear	w/ Rear A/C; Configuration: Tube & Fin
2002	Chevrolet	Trailblazer	North Face	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2002	Chevrolet	Trailblazer	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2002	Chevrolet	Trailblazer	LTZ	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2002	Chevrolet	Trailblazer	LS	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2002	Chevrolet	Trailblazer EXT	North Face	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2002	Chevrolet	Trailblazer EXT	LT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2002	GMC	Envoy	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2002	GMC	Envoy	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2002	GMC	Envoy XL	SLE	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
2002	GMC	Envoy XL	SLT	Sport Utility	4.2L	L6	Rear	w/ Rear A/C; Configuration: Tube & Fin
No rows match your filter.

Directly replaces or cross-references 5 part numbers

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

Buick — 89023466Chevrolet — 89023466Four Seasons — 44083GMC — 89023466UAC — EV 939673PFC