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Description
Differential Pressure Switch 440-0257 for Caterpillar CAT Excavator 320 320D2 Loader 966 972K 972MReplacement part number: CA4400257, 440 0257, 4400257 Fit For Caterpillar Engine: 3412C, 3508B, G3512, 3516B Application: Fit For the Following Models: Caterpillar Pumper: SPF743 Caterpillar Underground Art Truck: AD22 Caterpillar Power Module: TR43 C18L, TR43, TR43 E44 Caterpillar Wheel Tractor Scraper: 631K, 627, 623, 621, 637, 627K LRC, 632, 631, 623K LRC, 623K, 621K, 627K, 637K, 657, 651 Caterpillar Load Haul Dump: R1700, R1700 XE, R1700K
Replacement part number:
CA4400257, 440-0257, 4400257Fit For Caterpillar Engine: 3412C, 3508B, G3512, 3516B
Application:
Fit For the Following Models:
Caterpillar Pumper: SPF743
Caterpillar Underground Art Truck: AD22
Caterpillar Power Module: TR43-C18L, TR43, TR43-E44
Caterpillar Wheel Tractor-Scraper: 631K, 627, 623, 621, 637, 627K LRC, 632, 631, 623K LRC, 623K, 621K, 627K, 637K, 657, 651
Caterpillar Load Haul Dump: R1700, R1700 XE, R1700K
Caterpillar Off Highway Truck: 772, 770, 777, 775, 773, 777G, 777E, 789D, 773GC
Caterpillar Motor Grader: 24, 14, 120M, 120K, 12M, 3 AWD, 120M 2, 160, 140M, 140K, 14L, 150, 140K 2, 160M, 3 AWD, 140, 12M, 12K, 12M 3, 120, 160K, 160M, 140M 3 AWD, 140M 3, 160M 3, 120K 2
Caterpillar Track-Type Tractor: D6T LGP, D6GC, D6XE, D10, D11, D8 GC, D6T LGPPAT, D5R LGP, D6R XL, D6T XW, D6T XL, D8GC, D5R2, D6N OEM, D5R XL, D6N XL, D6R, D6T, D6N, D9, D6, D5, D8, D7, D8T, D8R, D10T2, D9T, D6T XL PAT, D6T XW PAT, D6 XE, D6N LGP, D10T, D11T, D6R LGP
Caterpillar Pipelayer: PL83, PL87, PL72
Caterpillar Excavator: 320D2 FM, 320D FM Other, 320 GC, 324D FM, 320
Caterpillar Mobile Hyd Power Unit: TH43-C18
Caterpillar Wheel Tractor: 631K, 651, 623H, 621K OEM, 621H, 627H, 637K
Caterpillar Generator Set: 3508B, 3516E
Caterpillar Soil Compactor: 825K, 815K, 815
Caterpillar Petroleum Transmission: CX48, CX48-P2300, CX38-P892, TH53-E60, CX38-P800
Caterpillar Ejector Truck: 730C2 EJ, 730C, 740B, 740
Caterpillar Wheel Dozer: 834, 844, 834H, 834K, 854, 824K, 814K, 814, 854K, 844K
Caterpillar Landfill Compactor: 836, 826, 816K, 836H, 836K, 816, 826K
Caterpillar Wheel Loader: 966, 972K, 972M, 972, 972L, 966 GC, 986, 980, 982, 988GC, 986H, 988, 986K, 995, 990, 993, 992, 988H, 988K, 966L, 966K, 966M, 980K HLG, 814K, 966K XE, 990K, 993K, 980L, 980K, 992K, 980M, 994K, 982M
Caterpillar Transmission: CX38-P892
Caterpillar Articulated Truck: 730C2, 730 Ejector, 740C, 740B, 740 GC, 730C, 745C, 725, 735C, 735B, 745, 730, 735
Caterpillar Wheel Scraper: 637K
Caterpillar Quarry Truck: 777E, 772G, 770G
Caterpillar Truck: 773G LRC, 770G, 772G, 773G, 773G OEM, 785D, 775G, 772G OEM, 789D, 777D, 777G, 775G OEM, 775G LRC, 770G OEM
Caterpillar Powertrain: TR43E44-C13BL, TR43M44-C13B, TR35E44-C9.3B
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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.
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4.2 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Very comfortable
Size: Large, Color: Black
Was surprised by the great quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
★★★★★ 3
Too big
Size: X-Large, Color: Black Blue Brown Heather Grey
Good cotton but too big
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 4, 2025
★★★★★ 5
cost vs value
Size: One Size, Color: Skyway
Is it worth the price? that's a question that only you can answer for yourself. I mean, it's alpaca - which isn't exactly cheap, and it's nice and warm. The shape is a little odd - it seems a bit loose - so might be better for bigger heads or bigger hair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
★★★★★ 5
Cozy, Stylish, and Perfect for Cold Days
Size: One Size, Color: Merlot
This beanie is absolutely perfect! The alpaca material feels incredibly soft and plush without being itchy, and it keeps my head warm without overheating. The fit is just right — snug but not tight — and it looks great with both casual and dressier winter outfits. I also love the Merlot color; it’s rich, flattering, and adds a nice pop without being too bold. It feels well-made and holds its shape nicely after wearing. Love it!
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Fantastic texture
Size: One Size, Color: Skyway, Size: One Size, Color: Skyway
Finally, I had found a beanie that provides the warmth of wool, without itchy-ness. Love the texture! This beanie is awesome and exceeded my expectations; definitely the most comfortable winter hat I have ever had. It is well constructed, plush, and the fit is spot on. It fits snug, providing warmth, with out suffocating or leaving marks on my forehead. Additionally, the beanie is temperature adaptive while wicking away sweat when used functionally like during snow boarding. Moreover, it versatile and stylish enough for everyday use. Highly recommend
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Reviewed in the United States on January 26, 2026