Belt for Subaru EJ251 Alternator Minus Power Steering Pump

Forthwithtx · Last edited by Forthwithtx on Fri Aug 29, 2014 9:21 pm; edited 1 time in total

Answer to the question, "What belt do I use for the alternator on the Subaru EJ251 after I delete the power steering pump?".

I measured the circumference required for the alternator belt without the power steering pump using a tiny tape measure, and it was about 27-1/2".

As a reference, the air conditioning belt is a Gates K040353 (4PK897), so I looked up the Gates chart and found the following:

K040353 ............................... 35-7/8" (912mm) 9/16" (14mm) 40°

As said, the measured circumference for the alternator to crank pulley is about 27-1/2", so, within the 5 rib series, this belt came up as the closest match:

K050275 ............................... 28-1/4" (717mm) 21/32" (17mm) 40°

I'm certain the answer is in multiple places on the forum. I just couldn't find it. So, here is an easy reference, with easy searchable keywords.

Cheers!

vanis13 · Posted: Sun Aug 24, 2014 5:24 am Post subject:

I just did this but can't find the part number.

At my FLAPS (auto zone) the belt part numbers are coded by length and rib count.

I used a piece of string to go around the pulleys. where the end crossed I marked with a sharpie. went to the FLAPS, they put it on the belt length gauge and from there I could pick shorter or longer up/down the part numbers. The return policy made it nice for getting a few and just keeping the one that I thought best.

at this length my FLAPS had only the 4 rib whereas the alt is 5 rib. the 5 rib is avail somewhere but the 4 rib is working just fine (maybe because it does not have power steering)
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83.5 Westy with Subaru 2.5, 4 spd manual, center seat, COLD A/C on 134a!, Winter camp heated with an Espar B4 gasoline furnace

www.SuperVanagon.com - some stuff I make

kalispell365 · Posted: Sun Aug 24, 2014 8:27 am Post subject:

Gates or CARQUEST K050275 is the CORRECT 5 rib belt for this application, used on early Ford Escort( of all things!)
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1983 Diesel Vanagon Westfalia chassis with Subaru 2.2l

vanis13 · Posted: Sun Aug 24, 2014 11:49 am Post subject:

kalispell365 · Posted: Sun Aug 24, 2014 3:42 pm Post subject:

NAPA also sells the Gates belts, they should be able to have it overnight.
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1983 Diesel Vanagon Westfalia chassis with Subaru 2.2l

Forthwithtx · Posted: Fri Aug 29, 2014 9:25 pm Post subject:

kalispell365 · Posted: Sat Aug 30, 2014 11:53 am Post subject:


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