Proform® - Officially Licensed GM Black Engine Coolant Radiator Cap

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2006 Workhorse W42
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Product Details

Officially Licensed GM Black Engine Coolant Radiator Cap by Proform®. Pressure: 13 psi. Material: Billet Aluminum. Finish: Black Anodized. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide excellent performance and years of trouble-free service.


Air Breather Style: Twist-on
Emblem: Chevy Bowtie Emblem


  • Officially Licensed GM Products
  • Carefully designed to improve the performance of your vehicle
  • Crafted from first-rate materials
  • Ensures impeccable quality
  • Provides reliable and long lasting service life
  • Knurled Perimeter
  • 1-inch Stud Length
  • This sleek radiator cap is comprised of three parts: a Stant 13 psi radiator cap, a black anodized aluminum cap cover with knurled perimeter, and lastly an embossed metal Bowtie emblem that can be centered nicely after the radiator cap has been installed

If you are a car junkie, you certainly keep all the systems and parts of your vehicle in perfect condition. Surely, the cooling system is no exception, and if you want your vehicle to function at its full potential, the high-quality performance cooling parts we offer are just what the doctor ordered. This product has a heavy-duty construction to be reliable and durable enough to hold up to hard use and wear. So, if you're looking for performance cooling parts with increased capacity and heat transfer capability, we will have you covered.

With more than 30 years of experience under the belt, Proform® is one of the greatest manufacturers of direct OEM replacement and performance automotive parts. Based in Warren, Michigan, Proform carries a full line of innovative and top-quality carburetors, alternators, starters, push rods, etc. The company offers a great number of GM officially licensed parts bearing the name of Chevrolet and Bow Tie, and some other divisional trademarks. Proform provides Mustang, Ford Racing, and Cobra engine dress-up parts.

Part Number:
Alternate MPN:

Vehicle Fitment

Blue Bird
All American FE 2009
All American RE 1992-1994, 2000-2003
Commercial Bus 1994-1995, 1997-2000, 2002-2003
Cv200 1998-2002
SHL TC2000 1993
TC1000 1998
TC2000 1992-2000
Vision 2009-2013
B-Series 1980-1991, 1993-2002
C50 1960-1979
C60 1960-1979
GP3500 1993-1996
Kodiak 1980-2009
T-Series 1997-1998
W-Series 1993-2003
Crane Carrier
Centurion 2001, 2004, 2006
Low Entry 2004-2008
B-Series 1980-1991, 1993-2002
Brigadier 1981
C5000 1979
C6000 1979
C7000 1979
T-Series 1997-1998
Topkick 1980-2009
W-Series 1995-2003
N-Series 1996-2003
Ontario Bus
Orion II 1993
P-Series 1999-2006
P30 2000-2005
P32 1999-2005
P42 1999-2005
R-Series 2007-2008
R26 2007-2009
W-Series 2001-2012
W16 2006-2009
W18 2006-2009
W20 2001-2009
W21 2007-2009
W22 2001-2009
W24 2004-2009
W25 2005-2009
W42 2006-2011


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Proform® - Officially Licensed GM Black Engine Coolant Radiator Cap

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