Caterpillar 9P8521 Replacement Ring Gear
SKU: 52512752098

Caterpillar 9P8521 Replacement Ring Gear

$101.25 $112.50
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Caterpillar 9P8521 Replacement Ring GearCaterpillar 9P8521 Aftermarket Ring Gear *It Is Up To You To Decide For Sure If This Item Fits Your Machine. If You Need Help, Please Call Or Email Us.* Fits Caterpillar Applications: Crawler Tractor Loader Dozer: D6H (S N: 1KD; 2KD; 2TG; 3YG; 3ZF; 4GG; 4LG; 4RC; 4YF; 5HF; 6CF; 6FC; 7PC; 8YC), D6H II (S N: 2DK; 8SK; 9RK), D6H XL (S N: 8ZJ; 9KJ; 9LK; 8KK), D6H XR (S N: 1YL; 2BL; 2TL; 5KK; 6CK; 7ZK), D6R (S N: 1RW; 2HM; 2YN; 3ZN; 4FM; 4JR; 4MN; 4TR;

Caterpillar 9P8521 Aftermarket Ring Gear

*It Is Up To You To Decide For Sure If This Item Fits Your Machine. If You Need Help, Please Call Or Email Us.*

Fits Caterpillar® Applications:

Crawler Tractor-Loader-Dozer: D6H (S/N: 1KD; 2KD; 2TG; 3YG; 3ZF; 4GG; 4LG; 4RC; 4YF; 5HF; 6CF; 6FC; 7PC; 8YC), D6H II (S/N: 2DK; 8SK; 9RK), D6H XL (S/N: 8ZJ; 9KJ; 9LK; 8KK), D6H XR (S/N: 1YL; 2BL; 2TL; 5KK; 6CK; 7ZK), D6R (S/N: 1RW; 2HM; 2YN; 3ZN; 4FM; 4JR; 4MN; 4TR; 4WR; 5LN; 5PR; 5RR; 6FR; 6HR; 6JN; 6MR; 7AR; 7DR; 7GR; 7KN; 8XN; 9BM; 9MN; 9ZS), D6R II (S/N; AEM; AFM; BLE; BLT; BMK; BPM; BRJ; BNL)

Wheel Loader: 966D (S/N: 35S; 94X; 99Y), 966E (S/N: 35S; 94X; 99Y), 966F (S/N: 3XJ; 4YG; 8BG), 966F II (S/N: 1SL; 9YG)

This Is A Brand New Aftermarket Item.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 52512752098

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4.9 ★★★★★
Based on 2048 reviews
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Product Reviews
T
Verified Purchase
TC
Cuba, US
★★★★★ 5
This are the best in men’s underwear. Modal fabric is the key.
Color: Black, Size: Small, Color: Black, Size: Small
Well I tried Hanes bikinis small and medium said to be the best seller. Maybe for a young boy but not for me an older man. Tried numerous others and none fit like these. The most comfortable of all I tried probably because the waistband being between mid and low and not so wide a fabric and fit the best. The biggest thing I love about these is the pouch area being just right and the fabric is so soft. Modal is the way to go. Cotton bunches up. Great quality and price. Can’t go wrong with these. Tried boxer briefs and trunks also and all to high waisted even when advertised as low, and the pouch area were bulkier. Edited: The solid colors are ok for casual use only but not for sports. The ones with a fancy design are better. Bigger pouch area and a different style waist band.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
D
Verified Purchase
DadK
Massapequa, US
★★★★★ 5
Soft, true-fit briefs — great daily comfort, not ideal for workouts
Color: Black, Size: Large
I’ve been wearing these wirarpa modal briefs every day for about a month, and they’ve quickly become my go-to pair for daily wear. I previously owned the same brand’s boxer briefs for over a year, which held up better than any other brand I’ve tried, so I decided to test the brief version this time. Fit and Comfort The sizing was spot-on for me. The waistband is soft, not scratchy, and doesn’t dig in — it stays in place without rolling. The leg openings don’t ride up, and everything stays comfortably supported without tight seams in the wrong spots. I’d almost forgotten how briefs feel after years of wearing boxer briefs, but these reminded me why they’re still worth owning. Fabric and Wearability The modal material is silky and smooth to the touch. It’s perfect for everyday comfort and casual wear, but not the best choice for sports — it’s not highly moisture-wicking, so I wouldn’t use them for workouts or hot outdoor work. Durability After a month of daily washing, there’s no pilling, stretching, or loose stitching at all. If they hold up like my year-old wirarpa boxer briefs, I expect these to last far longer than most big-name brands. Design Notes These come neatly rolled in a sealed bag with no odor or chemical smell — a nice touch that shows some quality control. Bottom Line If you like a soft, lightweight brief that fits true to size and stays comfortable all day, these are a great value. Go for the boxer briefs if you want more coverage or plan to sweat in them, but for regular daily wear, these hit the mark perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2025
J
Verified Purchase
JustAShopper
Pawtucket, US
★★★★★ 5
Soft, lightweight, and comfortable
Color: Black,navy,burgundy,brown, Size: Medium
These briefs are soft, lightweight, and very comfortable for everyday wear. The modal microfiber material has a nice silky feel, and they provide plenty of room without feeling bulky. The fit is true to size, which is always a plus when ordering underwear online. Overall, a comfortable and well-made option if you want something soft and easy to wear all day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 4
Comfortable and soft
Color: Black, Size: Small
I purchased these in small. I have a 30-inch waist, and the small is loose on me. They are described as handmade, and to expect some variance, but there is a noticeable difference between individual items. Individually, they are well constructed, just inconsistent in size.
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Reviewed in the United States on April 30, 2026
D
Verified Purchase
Drew Amador
Charlottesville, US
★★★★★ 5
Just buy them
Color: Black,navy,burgundy,brown, Size: Small
Used to wear sliders all the time, figured i'd switch it up. These are super comfortable, probably the best material underwear I own. Great to just lounge around it or wear everyday. Fit is really good, I got a small and about 29-30" waist. Good bang for your buck too. I've washed them a handful of times and they hold up great, fit great and dont' shrink.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026

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