3779087 caterpillar:belt BELT TENSIONER


3779087 BELT TENSIONER Caterpillar 120M, 12M, 2470C, 416E, 416F, 420E, 420F, 422E, 422F, 428E, 428F, 430F, 432E, 432F, 434E, 434F, 442E, 444E, 444F, 450E, 553C, 613G, 938H, 953D, 963D, C6.6, CB-54B, CS-54B, CS-56B, CS-68B, CS-74B, CS-7...




Buy caterpillar:belt BELT TENSIONER 3779087 genuine, new aftermarket tractor parts with delivery

Compare Prices:

As an associate, we earn commssions on qualifying purchases through the links below
$123.28

15 Jan 2026

CN: xjinwalo
Belt Tensioner 3779087 Alloy Steel Anti Shock Drive Belt Tensioner Assembly for Caterpillar E312D2 416E 416F 420E 420F 422E 422F Heavy Duty Construction Equipment
plplaaoo [ FIT] This belt tensioner is specifically designed for Caterpillar E312D2, 416E, 416F, 420E, 420F, 422E, and 422F. Engineered to match the exact specifications of these , it ensures a seamless fit and optimal performance. The robust construction guarantees durability, making it to wear and tear even under the toughest conditions. || [STABLE & QUIET] Experience smoother engine operation with our belt tensioner that eliminates engine shaking and reduces strange noises. Its advanced design automatically adjusts the belt tension, maintaining consistent engine power. The vibration damping system ensures the belt remains at optimal tension, enhancing overall vehicle performance and reliability. || [ MATERIAL] Crafted from premium alloy steel, this belt tensioner undergoes surface quenching and heat treatment to significantly improve hardness, wear resistance, and fatigue strength. These processes ensure the tensioner can withstand high stress and prolonged use, making it a reliable choice for heavy-duty applications. || [ENHANCED PERFORMANCE] The tensioner's vibration damping system not only increases tension but also reduces energy to frequencies, ensuring the belt stays in condition. This feature minimizes belt slippage and extends the lifespan of both the belt and the tensioner, providing long-term savings and fewer replacements. || [DESIGNED FOR RELIABILITY] Every component of this belt tensioner is meticulously designed and manufactured to match the performance of your vehicle. The standard size ensures a fit, while the high-quality materials and precise engineering provide peace of mind. Trust this tensioner to keep your engine running smoothly and efficiently.
$138.19

15 Jan 2026

CN: Azurer
Adfaga Belt Tensioner 3779087 Heavy Duty Alloy Steel Drive Belt Tensioner Assembly Anti Shock Vibration Damping for Caterpillar E312D2 416E 416F 420E 420F 422E 422F Engine Parts
Adfaga [FIT FOR CATERPILLAR] Designed for Caterpillar E312D2 416E 416F 420E 420F 422E and 422F this heavy-duty belt tensioner ensures precise compatibility. Its robust construction prevents misalignment and wear delivering reliable performance even under extreme conditions. || [ELIMINATES ENGINE VIBRATION] Advanced vibration damping technology reduces belt slippage and strange noises while automatically adjusting tension for smoother engine operation. Say goodbye to shaky starts and enjoy consistent power delivery. || [PREMIUM ALLOY STEEL BUILD] Crafted from heat-treated alloy steel with surface quenching for superior hardness and fatigue resistance. Resists wear and tear outperforming standard tensioners in durability and longevity. || [OPTIMAL BELT TENSION] The integrated damping system maintains ideal belt tension reducing energy loss and preventing premature belt failure. Your engine stays efficient with minimal maintenance required. || [PRECISION ENGINEERED DESIGN] Manufactured to OEM standards (3779087) this tensioner matches exact vehicle specifications. Trust its flawless fit and performance for seamless integration into your Caterpillar machinery.
$98.85

13 Jan 2026

CN: SHESWEET ENGINE
SHESWEET 377-9087 Belt Tensioner 3779087 Fits For Caterpillar CAT Engine C6.6 Backhoe Loader 416E 416F 420E 420F 422E 422F 428E 428F 430F 432E 432F 434E 434F 442E 444E 444F 450E
SHESWEET Part Name: 377-9087 Belt Tensioner || Part number: 377-9087 3779087 || Application: Fits For Caterpillar CAT Engine C6.6 Backhoe Loader 416E 416F 420E 420F 422E 422F 428E 428F 430F 432E 432F 434E 434F 442E 444E 444F 450E || Note:Before purchasing please check your engine model and part number to ensure they are same with our listing that showing above || Note:Please check if the part number of the product is what you need If you are not sure please send a picture of your part


Parts belt caterpillar:belt:

2222880 BELT TENSIONER
120M, 140M, 160M, 3126B, 3126E, 525C, 535C, 545C, 586C, 815B, C-9, C7, C9, CX31-C9I, MTC735, TH31-E61
2129353 BELT-SERPENTINE
3126B, 416E, 420E, 422E, 428E, 430E, 432E, 434E, 442E, 444E, C7
3779082 BELT TENSIONER
312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 318D2 L, 416E, 416F, 420E, 420F, 422E, 422F, 428E, 428F, 430E, 430F, 432E, 432F, 434E, 434F, 442E, 444E, 444F, 450E, 450F, 559, 924K, 930K, 938K, AP-300D, A...
3900532 BELT-SERPENTINE
416F, 420F, 422F, 428F, 430F, 432F, 434F, 444F
2129353 BELT-SERPENTINE
3126B, 416E, 420E, 422E, 428E, 430E, 432E, 434E, 442E, 444E, C7
2260443 BELT-SERPENTINE
924H, 924HZ, 928HZ, TH220B, TH330B
1908143 BELT-SERPENTINE
TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B, TH580B
2363842 BELT-SERPENTINE
C7.1, TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B, TH580B
1908142 BELT-SERPENTINE
TH220B, TH330B, TH350B, TH355B, TH460B, TH560B, TH580B
1900642 BELT TENSIONER
3126, 3126B, 3406E, 345B II, 621B, 621G, 623G, 627F, 627G, 631D, 631E, 631G, 637D, 637E, 637G, 657E, 657G, 773F, 775F, 777C, 777D, 793F, 793F-XQ, 795F AC, 797, 797B, 797F, 854K, 924H, 924HZ, 928HZ, 99...
1892216 BELT-SERPENTINE
814F II, 815F II, 816F II, MTC735
1352142 BELT TENSIONER
140M, 3116, 3126, 3126B, 3126E, AP-1055D, BG-260D, C-9, C7, C9, CX31-C9I, MTC735, TH31-E61, TK1051
2222880 BELT TENSIONER
120M, 140M, 160M, 3126B, 3126E, 525C, 535C, 545C, 586C, 815B, C-9, C7, C9, CX31-C9I, MTC735, TH31-E61
3779082 BELT TENSIONER
312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 318D2 L, 416E, 416F, 420E, 420F, 422E, 422F, 428E, 428F, 430E, 430F, 432E, 432F, 434E, 434F, 442E, 444E, 444F, 450E, 450F, 559, 924K, 930K, 938K, AP-300D, A...
3243408 BELT-SERPENTINE
416E, 420E, 422E, 428E, 430E, 432E, 434E, 442E, 444E
2831171 BELT-SERPENTINE
450E, C4.4, C6.6, C7.1
3900532 BELT-SERPENTINE
416F, 420F, 422F, 428F, 430F, 432F, 434F, 444F
3900536 BELT-SERPENTINE
416F, 420F, 422F, 428F, 430F, 432F, 434F, 444F
3900533 BELT-SERPENTINE
420F, 428F, 430F, 432F, 434F, 444F
3900537 BELT-SERPENTINE
416F, 420F, 428F, 430F, 432F, 434F, 444F

Parts best sale:

2605198 - BUCKET AR-EJECTOR
 
3065730 - KIT-JOYSTICK
 
3263984 - FENDER
 
3723740 - BODY
 
2476019 - SEAL
 
8N7005 - INJECTOR GP-FUEL
 
7G5589 - GEAR-RING
 
1458306 - VALVE GP-PRIORITY
 
N.S.S. - PLATE
 
9W4949 - CARRIER-PLANETARY
 
9P9360 - GEAR
 
VOE14557639 - Relief valve
 
9S3068 - PISTON GP
 
2641866 - BUCKET & VALVE AR-EJECTOR
 
2P8889 - CYLINDER GP-SLEEVE
 
6Y4898 - SPROCKET-TRACK
 
2618541 - YOKE AS
 
VOE15032399 - Link
 
3781020 - ACTUATOR GP
 
2124893 - BEARING-THRUST
 
2575003 - CORE AS-OIL COOLER
 
3818054 - CYLINDER GP-HYDRAULIC
 
1049410 - DIFFERENTIAL & BEVEL GEAR GP
 
2521191 - KIT-SEAL
 
8E7405 - LINK-TRACK
 
Back to top