Core charges. Amazon has no specific mechanism to charge and refund them like Rockauto does. I've known that for some time and was just reminded of it when buying calipers for my dad's truck. The core charge at Rockauto was more than half the total price. At Amazon, the total price was even higher (but with free shipping in this case). Maybe a core return could be worked out separately with the seller if it's not Amazon. MAYBE... But if Amazon is the seller, I'm certain you are out of luck because they do not know how to handle it and do not rebuild car parts.
BTW, I ordered calipers from Rockauto and pads n rotors from Amazon all on Thursday. The calipers came today, two days later. The rotor and pad set is still a few days out.
A reason to use Rockauto over Amazon
- J Wikoff
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A reason to use Rockauto over Amazon

WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers & a 10" Alpine Type R Sub, all the watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override, Monroe Reflex struts, red calipers
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser, 3.45 diff and various Camaro suspension bits, LED Taillights
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Re: A reason to use Rockauto over Amazon
So you like core charges? I misunderstood where your post was going.
1989 Pontiac Firebird Formula 350
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- J Wikoff
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Re: A reason to use Rockauto over Amazon
I guess I didn't say that Amazon's total prices are usually similar to Rockauto's. But Rockauto handles core charges. With Amazon, you are not typically getting any core charge back. I did happen to see one seller on Amazon that wrote in the description that they will do a refund for a core return, but that's the only one I've happened to come across.
Case in point: I recently bought a pair of rebuilt front calipers for my dad's truck. Amazon's shipped price was similar to Rockauto's. But with Rockauto I'm getting $40 back per caliper. The Amazon description said nothing about getting a core charge back.
Total price difference: +/-$80 in Rockauto's favor.
Case in point: I recently bought a pair of rebuilt front calipers for my dad's truck. Amazon's shipped price was similar to Rockauto's. But with Rockauto I'm getting $40 back per caliper. The Amazon description said nothing about getting a core charge back.
Total price difference: +/-$80 in Rockauto's favor.

WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers & a 10" Alpine Type R Sub, all the watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override, Monroe Reflex struts, red calipers
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser, 3.45 diff and various Camaro suspension bits, LED Taillights
- CMNTMXR57
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Re: A reason to use Rockauto over Amazon
I think Rock Auto is just easier to use and find what you need too. In addition to extremely low price.

Retired Bonneville Owner and former GM Tech:
2004 Pontiac Bonneville GXP: Black/Ebony *SOLD*
Summer Toys: Combined 827 RWHP / 877lb/ft RWTQ
2004 Pontiac GTO: Impulse Blue Metallic/Black/M6: lots 'o mods, 415 RWHP / 405lb/ft RWTQ!
2006 Cadillac STS-V: Light Platinum Metallic/Light Gray/A6 - Spectre CAI, Magnaflow exhaust, Speed Inc. tune, 412 RWHP / 472lb/ft RWTQ
Daily Drivers:
2019 Chrysler Pacifica Limited: Mommy's new RGC
2015 Chrysler Town & Country Limited Platinum: Kids new RGC
2011 Camaro SS
2009 Pontiac G8 GT: L76, Sport Red Metallic
2004 GMC Sierra 2500HD: Victory Red - 8.1L Big Block and Allison
2003 Chevrolet Suburban 2500: Doeskin Tan - 8.1L Big Block... RIP
1999 Chevrolet Suburban: Sunset Gold Metallic - RIP

