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  2. Auto Parts
  3. Heating and Air Conditioning
  4. Temperature Controls and Related Components
  5. HVAC Heater Control Valve
  6. Four Seasons 74781

Four Seasons 74781 HVAC Heater Control Valve

Four Seasons 74781 HVAC Heater Control Valve

Four Seasons
Brand:Four Seasons
Part Number: 74781
UPC: 00096361747814
Weight: 0.27 lbs
Condition:New



On Sale:

$23.53

Availability:
3972 in Stock
Warehouse: US-7
Quantity:

Product Information

Description:

Get the Four Seasons 74781 HVAC Heater Control Valve for your vehicle. Buy now and secure your purchase online!

Application specific design

Pressure tested to ensure leak free design

Temperature tested to 270 degrees F

Vacuum controlled

Specifications:

Fitting Size:
5/8" x 3/4" x 5/8" x 3/4"
Operation Type:
Vacuum Closes, Bypass
ACDelco #:
155533
Autopart International #:
7174781
Balkamp #:
6601293
Car Care #:
H76454
Cool Air & Electric #:
WV296
Dorman #:
801706
Gilmore Products #:
67575
Gilmore Products #:
H583
Global Parts Distributors #:
ACD155533
Omega #:
3160058
Ready-Aire #:
5930
SCS/Frigette #:
246296
Universal Air Conditioner #:
HV3001
Universal Air Conditioner #:
HV9500
Visteon #:
410064
Country of Origin:
CN

Select a vehicle to narrow Four Seasons 74781 HVAC Heater Control Valve fitment info!

Last Updated: 12/26/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

2000

 

1999

 

2000

 

1999

 
Cadillac Escalade

5.7L V8 Gas OHV
1
 
Heater Valve
 

Cadillac Escalade



5.7L V8 Gas OHV Heater Valve

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
Chevrolet C1500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet C1500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Heater Valve

1 Per Vehicle

1998

 

1997

 

1996

 

1998

 

1997

 

1996

 
Chevrolet C1500

4.3L V6 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
 

Chevrolet C1500



4.3L V6 Gas OHV,
6.5L V8 Diesel OHV Turbo Heater Valve

1 Per Vehicle

1995

 

1995

 
Chevrolet C1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
Retrofit
 

Chevrolet C1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo Heater Valve
Retrofit

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1999

 

1998

 

1997

 

1996

 

1995

 
Chevrolet C1500 Suburban

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
 

Chevrolet C1500 Suburban



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo Heater Valve

1 Per Vehicle

2000

 

1999

 

1998

 

2000

 

1999

 

1998

 
Chevrolet C2500

5.7L V8 CNG OHV
1
 
Heater Valve
 

Chevrolet C2500



5.7L V8 CNG OHV Heater Valve

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet C2500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet C2500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
Chevrolet C2500

5.0L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet C2500



5.0L V8 Gas OHV Heater Valve

1 Per Vehicle

1996

 

1996

 
Chevrolet C2500

5.7L V8 CNG OHV
1
 
Heater Valve
 

Chevrolet C2500



5.7L V8 CNG OHV Heater Valve

1 Per Vehicle

1995

 

1995

 
Chevrolet C2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
Retrofit
 

Chevrolet C2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve
Retrofit

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1999

 

1998

 

1997

 

1996

 

1995

 
Chevrolet C2500 Suburban

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet C2500 Suburban



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet C3500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet C3500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

1999

 

1998

 

1997

 

1999

 

1998

 

1997

 
Chevrolet C3500

5.7L V8 CNG OHV
1
 
Heater Valve
 

Chevrolet C3500



5.7L V8 CNG OHV Heater Valve

1 Per Vehicle

1995

 

1995

 
Chevrolet C3500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
Retrofit
 

Chevrolet C3500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve
Retrofit

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet C3500HD

6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet C3500HD



6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

1995

 

1995

 
Chevrolet C3500HD

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
Retrofit
 

Chevrolet C3500HD



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve
Retrofit

1 Per Vehicle

2012

 

2011

 

2012

 

2011

 
Chevrolet Express 1500

4.3L V6 Gas OHV,
5.3L V8 Flex OHV
1
 
Heater Valve
 

Chevrolet Express 1500



4.3L V6 Gas OHV,
5.3L V8 Flex OHV Heater Valve

1 Per Vehicle

2010

 

2009

 

2008

 

2007

 

2010

 

2009

 

2008

 

2007

 
Chevrolet Express 1500

5.3L V8 Flex OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 1500



5.3L V8 Flex OHV Heater Valve
4 Port

1 Per Vehicle

2010

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2010

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Express 1500

4.3L V6 Gas OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 1500



4.3L V6 Gas OHV Heater Valve
4 Port

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Express 1500

5.3L V8 Gas OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 1500



5.3L V8 Gas OHV Heater Valve
4 Port

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Express 1500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 1500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Heater Valve
4 Port

1 Per Vehicle

2018

 

2018

 
Chevrolet Express 2500

6.0L V8 CNG OHV
1
 
Heater Valve
 

Chevrolet Express 2500



6.0L V8 CNG OHV Heater Valve

1 Per Vehicle

2018

 

2017

 

2016

 

2018

 

2017

 

2016

 
Chevrolet Express 2500

6.0L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet Express 2500



6.0L V8 Gas OHV Heater Valve

1 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 

2011

 

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 

2011

 
Chevrolet Express 2500

6.0L V8 Flex OHV
1
 
Heater Valve
 

Chevrolet Express 2500



6.0L V8 Flex OHV Heater Valve

1 Per Vehicle

2016

 

2015

 

2014

 

2013

 

2012

 

2011

 

2016

 

2015

 

2014

 

2013

 

2012

 

2011

 
Chevrolet Express 2500

6.0L V8 CNG OHV
1
 
Heater Valve
 

Chevrolet Express 2500



6.0L V8 CNG OHV Heater Valve

1 Per Vehicle

2012

 

2011

 

2012

 

2011

 
Chevrolet Express 2500

4.8L V8 Flex OHV
1
 
Heater Valve
 

Chevrolet Express 2500



4.8L V8 Flex OHV Heater Valve

1 Per Vehicle

2010

 

2010

 
Chevrolet Express 2500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 2500



4.8L V8 Flex OHV,
6.0L V8 Flex OHV Heater Valve
4 Port

1 Per Vehicle

2010

 

2009

 

2008

 

2007

 

2006

 

2010

 

2009

 

2008

 

2007

 

2006

 
Chevrolet Express 2500

6.6L V8 Diesel OHV Turbo
1
 
Heater Valve
4 Port
 

Chevrolet Express 2500



6.6L V8 Diesel OHV Turbo Heater Valve
4 Port

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Express 2500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 2500



4.8L V8 Gas OHV,
6.0L V8 Gas OHV Heater Valve
4 Port

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Express 2500

4.3L V6 Gas OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 2500



4.3L V6 Gas OHV Heater Valve
4 Port

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
Chevrolet Express 2500

5.3L V8 Gas OHV,
6.0L V8 CNG OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 2500



5.3L V8 Gas OHV,
6.0L V8 CNG OHV Heater Valve
4 Port

1 Per Vehicle

2002

 

2002

 
Chevrolet Express 2500

5.7L V8 Bi-Fuel OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 2500



5.7L V8 Bi-Fuel OHV Heater Valve
4 Port

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Express 2500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
4 Port
 

Chevrolet Express 2500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo Heater Valve
4 Port

1 Per Vehicle

2001

 

2001

 
Chevrolet Express 2500

5.7L V8 CNG OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 2500



5.7L V8 CNG OHV Heater Valve
4 Port

1 Per Vehicle

2018

 

2018

 
Chevrolet Express 3500

6.0L V8 CNG OHV
1
 
Heater Valve
 

Chevrolet Express 3500



6.0L V8 CNG OHV Heater Valve

1 Per Vehicle

2018

 

2017

 

2016

 

2018

 

2017

 

2016

 
Chevrolet Express 3500

6.0L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet Express 3500



6.0L V8 Gas OHV Heater Valve

1 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 

2011

 

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 

2011

 
Chevrolet Express 3500

6.0L V8 Flex OHV
1
 
Heater Valve
 

Chevrolet Express 3500



6.0L V8 Flex OHV Heater Valve

1 Per Vehicle

2016

 

2015

 

2014

 

2013

 

2012

 

2011

 

2016

 

2015

 

2014

 

2013

 

2012

 

2011

 
Chevrolet Express 3500

6.0L V8 CNG OHV
1
 
Heater Valve
 

Chevrolet Express 3500



6.0L V8 CNG OHV Heater Valve

1 Per Vehicle

2012

 

2011

 

2012

 

2011

 
Chevrolet Express 3500

4.8L V8 Flex OHV
1
 
Heater Valve
 

Chevrolet Express 3500



4.8L V8 Flex OHV Heater Valve

1 Per Vehicle

2010

 

2010

 
Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 3500



4.8L V8 Flex OHV,
6.0L V8 Flex OHV Heater Valve
4 Port

1 Per Vehicle

2010

 

2009

 

2008

 

2007

 

2006

 

2010

 

2009

 

2008

 

2007

 

2006

 
Chevrolet Express 3500

6.6L V8 Diesel OHV Turbo
1
 
Heater Valve
4 Port
 

Chevrolet Express 3500



6.6L V8 Diesel OHV Turbo Heater Valve
4 Port

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet Express 3500

4.8L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 3500



4.8L V8 Gas OHV,
6.0L V8 Gas OHV Heater Valve
4 Port

1 Per Vehicle

2005

 

2004

 

2003

 

2005

 

2004

 

2003

 
Chevrolet Express 3500

6.0L V8 CNG OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 3500



6.0L V8 CNG OHV Heater Valve
4 Port

1 Per Vehicle

2002

 

2002

 
Chevrolet Express 3500

5.7L V8 Bi-Fuel OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 3500



5.7L V8 Bi-Fuel OHV Heater Valve
4 Port

1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
Chevrolet Express 3500

8.1L V8 Gas OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 3500



8.1L V8 Gas OHV Heater Valve
4 Port

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Express 3500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
4 Port
 

Chevrolet Express 3500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo Heater Valve
4 Port

1 Per Vehicle

2001

 

2001

 
Chevrolet Express 3500

5.7L V8 CNG OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 3500



5.7L V8 CNG OHV Heater Valve
4 Port

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

2000

 

1999

 

1998

 

1997

 
Chevrolet Express 3500

7.4L V8 Gas OHV
1
 
Heater Valve
4 Port
 

Chevrolet Express 3500



7.4L V8 Gas OHV Heater Valve
4 Port

1 Per Vehicle

2018

 

2018

 
Chevrolet Express 4500

6.0L V8 CNG
1
 
Heater Valve
 

Chevrolet Express 4500



6.0L V8 CNG Heater Valve

1 Per Vehicle

2018

 

2017

 

2018

 

2017

 
Chevrolet Express 4500

6.0L V8 Flex
1
 
Heater Valve
 

Chevrolet Express 4500



6.0L V8 Flex Heater Valve

1 Per Vehicle

2016

 

2016

 
Chevrolet Express 4500

6.0L V8 CNG OHV
1
 
Heater Valve
8th VIN Digit: B
 

Chevrolet Express 4500



6.0L V8 CNG OHV Heater Valve
8th VIN Digit: B

1 Per Vehicle

2016

 

2016

 
Chevrolet Express 4500

6.0L V8 Flex OHV
1
 
Heater Valve
8th VIN Digit: G
 

Chevrolet Express 4500



6.0L V8 Flex OHV Heater Valve
8th VIN Digit: G

1 Per Vehicle

2015

 

2014

 

2013

 

2012

 

2015

 

2014

 

2013

 

2012

 
Chevrolet Express 4500

6.0L V8 CNG OHV
1
 
Heater Valve
 

Chevrolet Express 4500



6.0L V8 CNG OHV Heater Valve

1 Per Vehicle

2015

 

2014

 

2013

 

2012

 

2011

 

2010

 

2015

 

2014

 

2013

 

2012

 

2011

 

2010

 
Chevrolet Express 4500

6.0L V8 Flex OHV
1
 
Heater Valve
 

Chevrolet Express 4500



6.0L V8 Flex OHV Heater Valve

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
Chevrolet K1500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet K1500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Heater Valve

1 Per Vehicle

1998

 

1997

 

1996

 

1998

 

1997

 

1996

 
Chevrolet K1500

4.3L V6 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
 

Chevrolet K1500



4.3L V6 Gas OHV,
6.5L V8 Diesel OHV Turbo Heater Valve

1 Per Vehicle

1995

 

1995

 
Chevrolet K1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
Retrofit
 

Chevrolet K1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo Heater Valve
Retrofit

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1999

 

1998

 

1997

 

1996

 

1995

 
Chevrolet K1500 Suburban

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
 

Chevrolet K1500 Suburban



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo Heater Valve

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet K2500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet K2500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

1998

 

1998

 
Chevrolet K2500

5.0L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet K2500



5.0L V8 Gas OHV Heater Valve

1 Per Vehicle

1996

 

1996

 
Chevrolet K2500

5.0L V8 Gas OHV,
5.7L V8 CNG OHV
1
 
Heater Valve
 

Chevrolet K2500



5.0L V8 Gas OHV,
5.7L V8 CNG OHV Heater Valve

1 Per Vehicle

1995

 

1995

 
Chevrolet K2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
Retrofit
 

Chevrolet K2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve
Retrofit

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1999

 

1998

 

1997

 

1996

 

1995

 
Chevrolet K2500 Suburban

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet K2500 Suburban



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

1995

 

1995

 
Chevrolet K3500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
Retrofit
 

Chevrolet K3500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve
Retrofit

1 Per Vehicle

2000

 

1999

 

2000

 

1999

 
Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet Silverado 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Gas OHV Heater Valve

1 Per Vehicle

2000

 

1999

 

2000

 

1999

 
Chevrolet Silverado 2500

5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet Silverado 2500



5.3L V8 Gas OHV,
6.0L V8 Gas OHV Heater Valve

1 Per Vehicle

2000

 

2000

 
Chevrolet Suburban 1500

5.3L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet Suburban 1500



5.3L V8 Gas OHV Heater Valve

1 Per Vehicle

2000

 

2000

 
Chevrolet Suburban 2500

6.0L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet Suburban 2500



6.0L V8 Gas OHV Heater Valve

1 Per Vehicle

2000

 

2000

 
Chevrolet Tahoe

4.8L V8 Gas OHV,
5.3L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet Tahoe



4.8L V8 Gas OHV,
5.3L V8 Gas OHV Heater Valve

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 

2000

 

1999

 

1998

 

1997

 

1996

 

1995

 
Chevrolet Tahoe

5.7L V8 Gas OHV
1
 
Heater Valve
 

Chevrolet Tahoe



5.7L V8 Gas OHV Heater Valve

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1999

 

1998

 

1997

 

1996

 

1995

 
Chevrolet Tahoe

6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
 

Chevrolet Tahoe



6.5L V8 Diesel OHV Turbo Heater Valve

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
GMC C1500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Heater Valve
 

GMC C1500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Heater Valve

1 Per Vehicle

1998

 

1997

 

1996

 

1998

 

1997

 

1996

 
GMC C1500

4.3L V6 Gas OHV
1
 
Heater Valve
 

GMC C1500



4.3L V6 Gas OHV Heater Valve

1 Per Vehicle

1997

 

1996

 

1997

 

1996

 
GMC C1500

6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
 

GMC C1500



6.5L V8 Diesel OHV Turbo Heater Valve

1 Per Vehicle

1995

 

1995

 
GMC C1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
Retrofit
 

GMC C1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo Heater Valve
Retrofit

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1999

 

1998

 

1997

 

1996

 

1995

 
GMC C1500 Suburban

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
 

GMC C1500 Suburban



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo Heater Valve

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC C2500

5.7L V8 CNG OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

GMC C2500



5.7L V8 CNG OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
GMC C2500

5.0L V8 Gas OHV
1
 
Heater Valve
 

GMC C2500



5.0L V8 Gas OHV Heater Valve

1 Per Vehicle

1995

 

1995

 
GMC C2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
Retrofit
 

GMC C2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve
Retrofit

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1999

 

1998

 

1997

 

1996

 

1995

 
GMC C2500 Suburban

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

GMC C2500 Suburban



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC C3500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

GMC C3500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

1999

 

1998

 

1997

 

1999

 

1998

 

1997

 
GMC C3500

5.7L V8 CNG OHV
1
 
Heater Valve
 

GMC C3500



5.7L V8 CNG OHV Heater Valve

1 Per Vehicle

1995

 

1995

 
GMC C3500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
Retrofit
 

GMC C3500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve
Retrofit

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC C3500HD

6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

GMC C3500HD



6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

1995

 

1995

 
GMC C3500HD

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
Retrofit
 

GMC C3500HD



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve
Retrofit

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
GMC K1500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
Heater Valve
 

GMC K1500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Heater Valve

1 Per Vehicle

1998

 

1997

 

1996

 

1998

 

1997

 

1996

 
GMC K1500

4.3L V6 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
 

GMC K1500



4.3L V6 Gas OHV,
6.5L V8 Diesel OHV Turbo Heater Valve

1 Per Vehicle

1995

 

1995

 
GMC K1500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
Retrofit
 

GMC K1500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo Heater Valve
Retrofit

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1999

 

1998

 

1997

 

1996

 

1995

 
GMC K1500 Suburban

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo
1
 
Heater Valve
 

GMC K1500 Suburban



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo Heater Valve

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC K2500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

GMC K2500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

1998

 

1998

 
GMC K2500

5.0L V8 Gas OHV
1
 
Heater Valve
 

GMC K2500



5.0L V8 Gas OHV Heater Valve

1 Per Vehicle

1996

 

1996

 
GMC K2500

5.7L V8 CNG OHV
1
 
Heater Valve
 

GMC K2500



5.7L V8 CNG OHV Heater Valve

1 Per Vehicle

1995

 

1995

 
GMC K2500

4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
Retrofit
 

GMC K2500



4.3L V6 Gas OHV,
5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.5L V8 Diesel OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve
Retrofit

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1999

 

1998

 

1997

 

1996

 

1995

 
GMC K2500 Suburban

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

GMC K2500 Suburban



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

2000

 

1999

 

1998

 

1997

 

1996

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC K3500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
 

GMC K3500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve

1 Per Vehicle

1995

 

1995

 
GMC K3500

5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV
1
 
Heater Valve
Retrofit
 

GMC K3500



5.7L V8 Gas OHV,
6.5L V8 Diesel OHV Turbo,
7.4L V8 Gas OHV Heater Valve
Retrofit

1 Per Vehicle

2012

 

2011

 

2010

 

2009

 

2008

 

2007

 

2012

 

2011

 

2010

 

2009

 

2008

 

2007

 
GMC Savana 1500

5.3L V8 Flex OHV
1
 
Heater Valve
4 Ports
 

GMC Savana 1500



5.3L V8 Flex OHV Heater Valve
4 Ports

1 Per Vehicle

2012

 

2011

 

2010

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2012

 

2011

 

2010

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
GMC Savana 1500

4.3L V6 Gas OHV
1
 
Heater Valve
4 Ports
 

GMC Savana 1500



4.3L V6 Gas OHV Heater Valve
4 Ports

1 Per Vehicle
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