How to tell if Sport Bumpers are OEM ? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

tjsblazer · 03-30-2015, 08:18 PM

Is there a way to tell if a set of Sport Bumpers is OEM and not aftermarket? Is there a part number stamped somewhere or another indicator. There is a set of bumpers off of a 71 the seller claims are OE. I wondered if I could confirm that by looking at them. Thanks.

justin4260 · 03-30-2015, 08:18 PM

pics?

**DeadheadNM** · 03-30-2015, 11:16 PM

The only pearl I'm aware of (and I give credit to Paul Duncan for this) OEM front bumpers have two holes to mount a license plate not four. However, repro bumpers can have two but some have four. If four plate holes on a front bumper it's a repro. GM did not stamp part #'s onto bumpers unfortunately.

**FirstOwner69** · 03-30-2015, 11:35 PM

My original front bumper has sharper bends than my repro. The repro is also lighter weight. Not sure about the rears.
1st pic is original. 2nd is repro.

03-30-2015, 08:18 PM	#1
tjsblazer Registered User Join Date: Oct 2009 Location: Great White North Posts: 1,520	How to tell if Sport Bumpers are OEM ? Is there a way to tell if a set of Sport Bumpers is OEM and not aftermarket? Is there a part number stamped somewhere or another indicator. There is a set of bumpers off of a 71 the seller claims are OE. I wondered if I could confirm that by looking at them. Thanks. __________________ Jeff. '72 Blazer K5 "Camshaft opinions are like belly buttons; everyone has one and no two are alike" My Blazer Build: http://67-72chevytrucks.com/vboard/s...d.php?t=626752 My Engine Build: http://67-72chevytrucks.com/vboard/s...d.php?t=637336

03-30-2015, 08:18 PM	#2
justin4260 Registered User Join Date: Feb 2015 Location: houston texas Posts: 206	Re: How to tell if Sport Bumpers are OEM ? pics?

03-30-2015, 11:16 PM	#3
DeadheadNM Carpe manana Join Date: Dec 2010 Location: Eau Claire, WI Posts: 12,453	Re: How to tell if Sport Bumpers are OEM ? The only pearl I'm aware of (and I give credit to Paul Duncan for this) OEM front bumpers have two holes to mount a license plate not four. However, repro bumpers can have two but some have four. If four plate holes on a front bumper it's a repro. GM did not stamp part #'s onto bumpers unfortunately. __________________ 1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 Members met: ORANGBLAZ, 2003 silverado, MikeCofield, BB72CHEVKT, Duncan&Son, Sameyrasmea72, THENEWMEXICAN, HotRod C/10, brianthelion02, Sport/Truck, ryanroo, michael bustamante, Dirt's72, Already Gone, WestButteTruck, 57taskforce, Moreyel, painterljp, AASmedic, SoCoC10, Lumaestas, carbuff382, Chevyland

03-30-2015, 11:35 PM	#4
FirstOwner69 Senior Member Join Date: May 2010 Location: Wisconsin & Arizona Posts: 4,853	Re: How to tell if Sport Bumpers are OEM ? My original front bumper has sharper bends than my repro. The repro is also lighter weight. Not sure about the rears. 1st pic is original. 2nd is repro. Attached Images

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