SKU: 68620786596

Standard Piston Kit with Ring 5336103 for Cummins 4B3.9 B6.7 ISB6.7 Engines

$84.60 $94.00
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Description

Standard Piston Kit with Ring 5336103 for Cummins 4B3.9 B6.7 ISB6.7 EnginesReplacement part number: 5336103 Fit for Engine: Cummins 4B3. 9, 6C8. 3, B6. 7 CM2350 B121B, B6. 7 CM2350 B135B, B6. 7 CM2350 B136C, F3. 8 CM2350 F120B, ISB (Chrysler), ISB CM2150, ISB ISD4. 5 CM2150 B119, ISB ISD4. 5 CM2150 SN, ISB ISD6. 7 CM2150 B120, ISB ISD6. 7 CM2150 SN, ISB ISD6. 7 CM2880 B126, ISB4. 5 CM2150, ISB6. 7 CM2250, ISB6. 7 CM2350 B101, ISBE CM2150, ISBE4 CM850, QSB (Komatsu), QSB4. 5 CM2250 EC, QSB4. 5 CM2350 B106, QSB6. 7 CM2250,

Replacement part number:

5336103
Fit for Engine: Cummins 4B3.9, 6C8.3, B6.7 CM2350 B121B, B6.7 CM2350 B135B, B6.7 CM2350 B136C, F3.8 CM2350 F120B, ISB (Chrysler), ISB CM2150, ISB/ISD4.5 CM2150 B119, ISB/ISD4.5 CM2150 SN, ISB/ISD6.7 CM2150 B120, ISB/ISD6.7 CM2150 SN, ISB/ISD6.7 CM2880 B126, ISB4.5 CM2150, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISBE CM2150, ISBE4 CM850, QSB (Komatsu), QSB4.5 CM2250 EC, QSB4.5 CM2350 B106, QSB6.7 CM2250, QSB6.7 CM2250 EC, QSB6.7 CM2350 B105, QSB6.7 CM2350 B112
Shipping Notes
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Exchange/Return Notes
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SKU: 68620786596

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4.4 ★★★★★
Based on 12 reviews
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M
Verified Purchase
Mar Gee
Carnegie, US
★★★★★ 5
Style and comfort
Size: Medium, Color: Black
Exactly what I was looking for. Style and sock thickness and comfort.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
A
Verified Purchase
Amazon Customer
Lake Worth, US
★★★★★ 5
Comfortable
Size: Medium, Color: Blue
So comfortable! They stay up perfectly love love love
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
G
Verified Purchase
Glass
Los Angeles, US
★★★★★ 5
I stay on your foot they don’t slip in your shoe
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
This is the only socks I wear Under Armour because they stay in place I wear a size 8, but they’re more comfortable with a large instead of a medium, but I wear both because I have them already and you can pull them to stretch them out a little bit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
L
Verified Purchase
Lauren
Chelsea, US
★★★★★ 5
Great fit, truly doesn’t slide off heel
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium, Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
I’ve scoured all the lands looking for a no-show sock that was 1) thin, 2) quality, soft, breathable material, 3) didn’t dig into my feet/heels, 4) doesn’t shrink, and most importantly 5) stays on the back of my heel without a bulky non-slip rubber piece and these check all the boxes! Perfect for low profile women’s work shoes like Keds, etc. Not low enough for most flats though. I wear a women’s size 9.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2025
E
Verified Purchase
Elliz
Pawtucket, US
★★★★★ 5
So good - I’m buying MORE.
Number of Items: 3, Color: White (3-pairs), Size: Medium
I’m gonna give you more detail than you need about why I’m buying these socks again. I’ve been the mom of girl athletes. I’ve been a model and a fashion director. I’ve worn every brand of shoe on the planet and never found a shoe that did NOT find a vulnerable spot on my foot to rub raw. Even my beloved white Jack Purcell sneakers. With that said - I don’t like socks. I’ve bought a TON of them in 35+ years.....all major brands. They shift. They lose their shape. They get holes in them and wear out too fast. Not these. I retired this year, and knowing I’d be in sneakers a lot, traveling, sightseeing ...... I bought these 6 months ago and have worn them constantly. I’ve traveled with them. I’ve washed them in hot water and bleach. The socks are like brand new. They are exactly the right cut so as not to be seen in a basic sneaker. The little silicone patch on the heel stays put. Not once have I had to dig down into my shoe and pull the sock back up. The socks have stayed soft and EXACTLY the same as the day they were new. Like I said - I am back to buy them again. Great quality!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2021

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