I see a lot of 5 star reviews. the description says it fits truck w/o cold weather package. from what i read most 7.3's have the cold weather pkg?

Engine heater is not an indication of cold weather package(CWP) for the 7.3. All diesel engines come with the 120V engine block heater, both with and without CWP. I believe only gas engines with CWP come with this heater, hence the confusion. Personally I have an F250 7.3, which was sold in Maryland, WITHOUT the CWP. The CWP belt is just under 1" shorter than the belt for the non-CWP, they are impossible to tell apart without P/N unless you have one of each side-by-side. Either will physically fit the non-CWP trucks, I can't confirm if this is the case with CWP. Previously I inadvertently installed a shorter CWP belt and noticed I had to wind the tensioner nearly to max to get it installed. I ASSuMEd this was due to the belt being new. This belt broke prematurely (coincidence?). In any case I've been using the slightly longer non-CWP belt, ever since without issue. I have never seen any data that confirms "most trucks have the CWP". Certainly not the case with mine, which came from a mid-locale, slightly more north than south. Per Gates this belt, P/N K081223HD is for the non-CWP application (i.e. the slightly longer variety).

What is meant by the cold weather package? Thanks

Beats me... nothing to do with the block heater... This belt K081223HD fits trucks with the block heater... and MOST single alternator 99.5-2003 7.3’s in North America. The K081213HD belt is 0.85 inches shorter, and does not fit my 2003 F250 that has the block heater, EBPV, and air intake heater, which is what most people would think of as the cold weather package. Someone should ask gates, as it really kissed me in the britches to find the belt I got with my gates tensioner/idler/belt kit chosen based on this erroneous and unclear designator, was too short.

is this belt green in color

Black belt with green outer layer.

What is the difference between k081223hd and the non hd? thanks

Not 100% on this but I had the regular belt and it started squeeking like crazy. The HD is green in color and is silent. I'm sure there is some major difference between them that I am not familiar with. I try to always use Gates belts when it's an option and the HD is what was recommended in the forums.

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Reviews

M**R

2000 7.3 Dayco belt started getting noisy and squealed at 1000+rpm... Installed the Gates Fleetrunner and the squeel is gone! No problems and would highly recommend this belt to anyone that is after the highest quality serpentine belt available for the 7.3.⁸

31.10.2025

T**O

The gates green belt is a very high quality product. Runs quiet, doesn’t cost much more than stock, fits great, and looks like a higher quality product than stock. Overall works great. This is my second one, changed because I figured it was time. The one I took off was still in great shape 5 years later. Will buy again when needed.

25.08.2024

N**R

Previously had the Gates single pulley tensioner which had the typical design flaw where the bolt backed out. Gates is a great company, but the original Ford design was flawed which caused the bolt to back out over time. There is a lot of conflicting information out there so I'm going to try and share my experience on my "OBS" (1994-1996 and 1997 HD) 7.3 PowerStroke F-250 Paired this Gates K081223HD fleetrunner belt with a Motorcraft BT-50. Followed the TSB 98-23-14 procedure to modify the bracket that holds both the idler pulley and alternator. Requires cutting and grinding, so be prepared remove the bracket and do this procedure outside of the engine bay unless you're a psycho masochistic mad lad. TAKE NOTE OF HOW THE METAL CLIP THAT HOLDS THE TENSIONER TOGETHER WORKS AS YOU WILL NEED TO RELEASE IT AFTER INSTALLATION. Make sure the new BT-50 properly seats and has clearance on the modified bracket. Reinstall the bracket. AFTER routing the new belt, be sure to release the clip on the BT-50 to release the spring and properly tension the belt. Not doing so will cause a floppy belt, which is probably the problem the hosers had when you read about "lose belts" in the online forums. I'm happy with this configuration and I won't have to worry about a bolt backing out into my pulley anymore. I hope this helps somebody in the future. Thanks for coming to my Ted talk.

20.12.2025

C**C

Fit as described.

24.09.2025

M**N

Whoever designed these green serpents needs a raise and a steak dinner! Tough belt and no squeal like most even with slight misalignment of my power steering pulley

12.01.2024

ASIN	B000IY429I
Best Sellers Rank	#61,343 in Automotive ( See Top 100 in Automotive ) #36 in Car V-Drive Belts
Brand	Gates
Customer Reviews	4.7 4.7 out of 5 stars (330)
Date First Available	1 January 2024
Exterior	Machined
Item Weight	195 g
Item model number	K081223HD
Manufacturer	Gates
Manufacturer Part Number	K081223HD
Model	Auto V-Belt, Industry Number K081223HD
OEM Part Number	2C2Z8620GA
Product Dimensions	38.1 x 15.24 x 2.54 cm; 195.04 g

Gates K081223HD FleetRunner Micro-V Serpentine Drive Belt

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