How do you know if a bumper (bar) OEM? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**71CHEVYSHORTBED402** · 04-20-2015, 01:58 PM

I received a rear "sport" bumper as a gift about two decades ago, for my 1971. It has a "Stockton Plating" plate on the back. The back of the bumper is painted black, but there's chrome underneath.

How can you tell you have an OEM bumper w/o a parts sticker?................. Doesn't seem likely they'd re-chrome a reproduction, especially 20 some years ago. I found a reproduction on-line and claimed 24 pounds. I'll weigh mine tonight, see what happens.

I jacked it up when installed it long ago, though it's fairly minor. I don't believe the brackets were lined up correctly, so they put a few small dents in it.....That's what I get for not paying attention. If this is OEM, at some point I'll have it re-chromed. I'm no body man, but i'd think straightening it out is straight forward. Seems couple of plates on both sides and tighten the bolts until straight. Just guessing.

Thanks

**71CHEVYSHORTBED402** · 04-20-2015, 09:40 PM

Just weighed mine. It's 24-25 pounds as well. Still not sure. Anyone have a OEM rear bumper handy they can weigh pretty please? (71-72 sport rear bumper)?

Know any other method to determine OEM? Of course the sticker is gone. They painted the back anyway. I've read some repro are quite bendy. Other that what I did when I mounted it (OP), this doesn't feel that flimsy.

Just seems a little odd they'd re-chrome a repro., some 20 years ago. It would be nice to know what I got.

**71CHEVYSHORTBED402** · 04-22-2015, 12:44 PM

TTT - Haven't given up.

**71CHEVYSHORTBED402** · 04-23-2015, 11:22 PM

No idea? I know I'm not the only one that's looked into this. How do you know if your rear bumper is OEM (3885614) without a part no.?

I inquired on an NOS. Asked them about purchasing and net weight. No response.

**71CHEVYSHORTBED402** · 04-26-2015, 07:16 PM

No?

**71CHEVYSHORTBED402** · 05-10-2015, 01:16 AM

I wonder what the original rear sport bumper weighs?

65standard · 05-10-2015, 09:45 AM

Sounds like an original that was rechromed.

04-20-2015, 01:58 PM	#1
71CHEVYSHORTBED402 Senior Member Join Date: Feb 2009 Location: Northern Nevada Posts: 7,320	How do you know if a bumper (bar) OEM? I received a rear "sport" bumper as a gift about two decades ago, for my 1971. It has a "Stockton Plating" plate on the back. The back of the bumper is painted black, but there's chrome underneath. How can you tell you have an OEM bumper w/o a parts sticker?................. Doesn't seem likely they'd re-chrome a reproduction, especially 20 some years ago. I found a reproduction on-line and claimed 24 pounds. I'll weigh mine tonight, see what happens. I jacked it up when installed it long ago, though it's fairly minor. I don't believe the brackets were lined up correctly, so they put a few small dents in it.....That's what I get for not paying attention. If this is OEM, at some point I'll have it re-chromed. I'm no body man, but i'd think straightening it out is straight forward. Seems couple of plates on both sides and tighten the bolts until straight. Just guessing. Thanks __________________ Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 Last edited by 71CHEVYSHORTBED402; 04-26-2015 at 07:27 PM.

04-20-2015, 09:40 PM	#2
71CHEVYSHORTBED402 Senior Member Join Date: Feb 2009 Location: Northern Nevada Posts: 7,320	Re: How do you know if a bumper (bar) OEM? Just weighed mine. It's 24-25 pounds as well. Still not sure. Anyone have a OEM rear bumper handy they can weigh pretty please? (71-72 sport rear bumper)? Know any other method to determine OEM? Of course the sticker is gone. They painted the back anyway. I've read some repro are quite bendy. Other that what I did when I mounted it (OP), this doesn't feel that flimsy. Just seems a little odd they'd re-chrome a repro., some 20 years ago. It would be nice to know what I got. __________________ Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025

04-22-2015, 12:44 PM	#3
71CHEVYSHORTBED402 Senior Member Join Date: Feb 2009 Location: Northern Nevada Posts: 7,320	Re: How do you know if a bumper (bar) OEM? TTT - Haven't given up. __________________ Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025

04-23-2015, 11:22 PM	#4
71CHEVYSHORTBED402 Senior Member Join Date: Feb 2009 Location: Northern Nevada Posts: 7,320	Re: How do you know if a bumper (bar) OEM? No idea? I know I'm not the only one that's looked into this. How do you know if your rear bumper is OEM (3885614) without a part no.? I inquired on an NOS. Asked them about purchasing and net weight. No response. __________________ Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025

04-26-2015, 07:16 PM	#5
71CHEVYSHORTBED402 Senior Member Join Date: Feb 2009 Location: Northern Nevada Posts: 7,320	Re: How do you know if a bumper (bar) OEM? No? __________________ Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025

05-10-2015, 01:16 AM	#6
71CHEVYSHORTBED402 Senior Member Join Date: Feb 2009 Location: Northern Nevada Posts: 7,320	Re: How do you know if a bumper (bar) OEM? I wonder what the original rear sport bumper weighs? __________________ Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025

05-10-2015, 09:45 AM	#7
65standard Registered User Join Date: Dec 2014 Location: Coal City, IL Posts: 695	Re: How do you know if a bumper (bar) OEM? Sounds like an original that was rechromed. __________________ Tony Nicholas @ Midwest Metal Masters 1953 Chevy 3100 392 Hemi w/727 & 9” Ford 1985 Chevy C/10 6.0L 4L80 373 locker

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