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USD 63.95
Part #: DOR603-125

Dorman 603-125 Coolant Reservoir

Vehicle Fitment:
2001-2007 GM 6.6L Duramax LB7/LLY/LBZ | See full application list below
Part #: DOR603-125
★★★★★ ★★★★★ 3 Reviews
$63.95
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Description

Replace the old cracked Coolant Reservoir on your 2001-2007 GM 6.6L Duramax with the Dorman 603-125 Coolant Reservoir. Dorman's Engine Coolant Recovery Tank is designed for enduring use. It resists the expansion and cracking that extreme temperature fluctuations can cause. Plus, the durable plastic construction prevents coolant fluid loss.  

Features:
  • Direct Replacement 
  • Includes Reservoir Cap 
  • Quality Tested For Trouble-Free Performance 
Cross Reference Numbers:
AC Delco Part#: RC98 
GM OE Part#: 15085725, 15808714
Non-Direct Cross GM Part#: 15075118

Vehicle Fitment

YEAR MAKE MODEL FOR ENGINE SERIES
2001 Chevrolet Silverado 2500 HD 6.6
2002 Chevrolet Silverado 2500 HD 6.6
2003 Chevrolet Silverado 2500 HD 6.6
2004 Chevrolet Silverado 2500 HD 6.6
2005 Chevrolet Silverado 2500 HD 6.6
2006 Chevrolet Silverado 2500 HD 6.6
2007 Chevrolet Silverado 2500 HD Classic 6.6
2001 Chevrolet Silverado 3500 6.6
2002 Chevrolet Silverado 3500 6.6
2003 Chevrolet Silverado 3500 6.6
2004 Chevrolet Silverado 3500 6.6
2005 Chevrolet Silverado 3500 6.6
2006 Chevrolet Silverado 3500 6.6
2007 Chevrolet Silverado 3500 Classic 6.6
2001 GMC Sierra 2500 HD 6.6
2002 GMC Sierra 2500 HD 6.6
2003 GMC Sierra 2500 HD 6.6
2004 GMC Sierra 2500 HD 6.6
2005 GMC Sierra 2500 HD 6.6
2006 GMC Sierra 2500 HD 6.6
2007 GMC Sierra 2500 HD Classic 6.6
2001 GMC Sierra 3500 6.6
2002 GMC Sierra 3500 6.6
2003 GMC Sierra 3500 6.6
2004 GMC Sierra 3500 6.6
2005 GMC Sierra 3500 6.6
2006 GMC Sierra 3500 6.6
2007 GMC Sierra 3500 Classic 6.6

Specifications

  • MPN 603-125
  • SKU DOR603-125
  • GTIN 019495238126
  • ID 29255
  • Manufacturer Name Dorman
  • Shipping Weight 5.00 lb.
  • Shipping Length 13 in.
  • Shipping Width 13 in.
  • Shipping Height 10 in.
  • Fuel Type Diesel
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
  • Cross Reference # FRT1215C, RC98, 15075118, 15085725, 15808714, FRT1215C, DAKG-808714, SK603125
  • Internal L0R7

Reviews

★★★★★ ★★★★★
4.0/5 Stars out of 3 Reviews
1
0
2
1
3
0
4
0
5
2
Verified Buyer
Replaced coolant bottles now having issues
2
I replaced the coolant bottle and was originally impressed it came with everything, that being said the sensor is garbage. Constantly throwing a low coolant level code on my gauge cluster.
Verified Buyer
2572574
5
Very good product and was delivered very fast!
Reservoir
5
Looks just as good as factory, and am glad all the little pieces came with it

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Questions and Answers

Does this include the sensor?
View Staff Answer 
Answer
Yes, the level sensor is included.

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