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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
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4.6 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Great ball for heavy chewers
Style: Assorted Balls (Pack of 3), Size: 2.5 inch
Great toy for my Doberman. She chews through tennis balls in about 15 minutes but these are very durable. She likes to chase them but also just chew on them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Durable
Style: Fetch Balls (Pack of 2), Size: 3 inch
Very bouncy. I like the noise it makes when you throw it. Pretty durable. Good size. Dog loves to play with them. Good material. Easy to use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 4
My dog loves glowing fetch at night!
Style: Glow Balls (Pack of 3), Size: 2.5 inch
Fantastic. Sturdy. My dog loves them
Glow in the dark is great for fetch at night. I keep a flashlight with me because the glow doesn't last really long. But they charge very quickly and are really bright.
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Indestructible
Style: Fetch Balls (Pack of 2), Size: 3 inch
These balls are indestructible! We have a lab and a lab mix and they CANNOT damage these balls. They love them for fetch and to just chew on them (slightly squishy, but NO damage). Best toys we have bought for them.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Great trial set. Just be careful throwing the orange one!
Style: Assorted Balls (Pack of 3), Size: 2.5 inch
Blue isn't that easy to see in the yard
White charges with bright light/UV and is truly a game changer for night-time fetch. Both dogs clearly favor it.
Orange is easy to see in the grass at day
They're 3 different weights as well, so double trial. I prefer medium for my big dogs, though light performs well too
The orange is HEAVY and unyielding. Do NOT throw it with a ball thrower. It could damage your house or knock your dog out. Seems tough though.
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Reviewed in the United States on January 16, 2026