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USD 63.95
Part #: DOR603-125

Dorman 603-125 Coolant Reservoir

2001-2007 GM 6.6L Duramax LB7/LLY/LBZ
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 Applications

YEAR MAKE ENGINE
2001 Chevy 6.6L LB7 Duramax
2002 Chevy 6.6L LB7 Duramax
2003 Chevy 6.6L LB7 Duramax
2004 Chevy 6.6L LB7 Duramax
2004.5 Chevy 6.6L LLY Duramax
2005 Chevy 6.6L LLY Duramax
2006 Chevy 6.6L LLY/LBZ Duramax
2007 Chevy 6.6L LLY/LBZ Duramax
2001 GMC 6.6L LB7 Duramax
2002 GMC 6.6L LB7 Duramax
2003 GMC 6.6L LB7 Duramax
2004 GMC 6.6L LB7 Duramax
2004.5 GMC 6.6L LLY Duramax
2005 GMC 6.6L LLY Duramax
2006 GMC 6.6L LLY/LBZ Duramax
2007 GMC 6.6L LLY/LBZ Duramax

Specifications

  • MFG. Number 603-125
  • Manufacturer Name Dorman
  • Shipping Weight 5.00 lb.
  • Shipping Length 13 in.
  • Shipping Width 13 in.
  • Shipping Height 10 in.
  • Fuel Type Diesel
  • UPC 019495238126
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
  • Cross Reference # FRT1215C, RC98, 15075118, 15085725, 15808714, FRT1215C, DAKG-808714, SK603125
  • Internal L4.00R3.00

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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