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SKU #: PPE-124060000-Main PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM

$314.99
Purchase PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM
    • 2001-2010 6.6L GM Duramax LB7/LLY/LBZ/LMM
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Description

Keep your transmission cool with PPE's performance transmission cooler. Lower your transmission operating temperature with this bolt on replacement. 60% increase in heat rejection surface lowers tempe ... read more

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Keep your transmission cool with PPE's performance transmission cooler. Lower your transmission operating temperature with this bolt on replacement. 60% increase in heat rejection surface lowers temperatures 20-30 degrees. This easy installation only takes about 30 minutes.

Available for 2001-03, 2003-05 and 2006-10 Duramax diesel engines.
  • 124060000 2001-03 Cooler - connectors with Orange Clips
  • 124060300 2003-05 Cooler - connectors with Purple Clips
  • 124062000 2006-2010 Cooler - connectors same all years

Specifications

  • ManufacturerPPE (Pacific Performance Eng.)
  • MPN124060000 | 124060300 | 124062000

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8 Reviews
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Rate PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM

Reviews may be edited for spelling or grammar inaccuracies and those containing profanity will be removed.

M
Verified Buyer
no top kicks
well built does not work with topkicks or kodiac
W
Extremely simple to install - about an hour s...
Extremely simple to install - about an hour since we drained the transmission oil as well and replaced the trans oil filter - Noticed a 20 to 30 degree drop in trans temp as others have mentioned - great product and quick delivery - thank you!
C
I haven't noticed much difference with this c...
I haven't noticed much difference with this cooler. I even installed a new +4 quart pan. I pulled my small Kubota front loader yesterday (approximately 3000lbs) tans mission got up to 210 in minutes on a 76 degree day... I don't think either of these are worth the money. I haven't noticed any real reduction in the transmission temp without a load
J
Install Review
The manual has 01 to 07 truck disassembly not 07.5 to 10 even though cooler photos are accurate. My truck is a 08 Sierra 2500HD. Cooler would not fit as described in manual. I had to turn the top brackets around and drill holes to bolt to the cooler closer than holes provided. I also had to drill new hole closer to the drop down to all to hit the cross member. The hole on the lower cross member did not line up either. Had to drill hole in cross member to put the transmission line bracket back on. I also had to cut and modify the grill support bracket to keep it from hitting the cooler. This is NOT a direct bolt on replacement kit. As far as how well it cools! So far I can't tell any difference. Drove around for an hour and still saw temps at 185 and it was 90 deg outside. Will know more after towing again in 95/100 deg temps over long periods. I will edit at a later dates with more info.
J
Usage update
After towing, I see no difference in trans temps with the stock cooler vs this cooler. I still see temps over 200. I have no idea how some folks are saying they see15 to 30 deg cooler temps. I can't recommend this produce for 07.5 and up trucks.
T
Verified Buyer
I would definitely buy this product again.
Easy plug & play install, shipping was fast, fast ,fast. I called to confirm fitment & was helped immediately. Thank you Diesel Power Products!
Store Reply
Thank you for the great review and glad we were able to create another satisfied customer! Let us know when you're ready for the next upgrade.
R
Verified Buyer
Yup
Easy install and setup with my existing -10n fittings. I wish it came with brackets to allow for an offset away from the engin radiator. The space between the Trans Cooler and the Raditor is 1.25"" and wont allow for fans. Otherwise this will help pulling 16,000 Fuzion 5th wheel. Heavy D and Diesal David - The wife and I enjoying the show and laughs! Keep it up....
Store Reply
Thanks so much for the review, glad to hear you got it all mounted up.
T
Verified Buyer
I would buy this again if I need another one
Easy install good quality part does the job
Store Reply
Thanks so much for the review. This trans cooler is an excellent upgrade for any Duramax.
3 QUESTIONS
J

The way this cooler looks it looks as if you're going to have to bend lines into alignment is that correct.. stock line come in the side.. these come in the bottom??

No bending of the lines required no.

3/6/17
P

Will this work on a kodiak c4500??

This will not work for that application no.

10/1/17
N

My cooler lines is a 3/4 inch line. Will this cooler be able to fit those lines??

This would fit the factory 5/8 lines. Sounds like you might have aftermarket lines. Some of those kits have fitment issues with the direct replacement coolers. -Sands

2/8/20

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PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM

PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM

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