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BELT TENSIONER 7E3999 - Caterpillar


7E3999 BELT TENSIONER Caterpillar parts 3116, 3126, 3126B, 3126E
Rating:
45
Alternative (cross code) number:
CA7E3999
7E-3999
7E3999
Caterpillar 7E3999 BELT TENSIONER
Weight: 3 pounds 1 kg.

Buy BELT TENSIONER 7E3999 Caterpillar genuine, new aftermarket tractor parts with delivery
INDUSTRIAL ENGINE, TRUCK ENGINE,

Compare Prices: .

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$88.99

29 Oct 2025
3.76[1.69] Pounds
CN: Texxparts
Tensioner Belt 2178938 7E3999 Compatible with Caterpillar Engine C7 C15 C16 C18 C27 C32 Motor Grader 24M Truck 735 740 770 772 793F AD55B AD60 Wheel Loader 980G 980GII 980H 986H
Texxparts Part Numbers: 2178938 7E3999 CSB30-0004 D11862623 VKM910009 1206659 910003A 87840057 1687819C91 2028958C93 3543883C1 1352151 || Compatible with Caterpillar Engine C7 C15 C16 C18 C27 C32 C175-16 3116 3126 3126B 3126E 3406E 3456 Motor Grader 24M Truck 735 740 770 772 793F AD55B AD60 Wheel Loader 980G 980GII 980H 986H 988G 988H 990 Wheel Dozer 824C 824GII 824H 834G 834H 844H Compactor 825GII 825H 826GII 826H Cold Planer PM-200 PM-201 Reclaimer Mixer RM-500 || Package Includes: 1 x Belt Tensioner || Directly Replace, and, Easy to Install. Exact Same Performance as Original || Aftermarket Products. Premium Quality - Reliable in Operation, Long Working Life
$48.99

28 Oct 2025

CN: Delorin
Delorin 2178938 Belt Tensioner Compatible with Caterpillar C15 3406E 3126 C15 3126B 735 740 PM-200 PM-201 826C 826G II 826H 836G 836H Replaces 1206659 2178938 7e3999
Delorin [Fitment]Compatible with Loaders: 980G II, 988G, 988H, 980H, 980G, 986H, 990 || [Fitment]Compatible with Caterpillar C15 3406E 3126 C15 3126B 735 740 PM-200 PM-201 826C 826G II 826H 836G 836H || [Fitmen]Compatible with dozer 834g 834h 824g ii 824h 844h 824c || [Replacement]CSB30-0004 D11862623 VKM910009 1206659 910003A 87840057 1687819C91 2028958C93 3543883C1 2178938 7e3999 || [NOTE]This is NOT a original part, it's a aftermarket replacement part manufactured by Delorin
$48.99

13 Oct 2025

CN: Delorin
Delorin 2178938 Belt Tensioner Compatible with Caterpillar C15 3406E 3126 C15 3126B 735 740 PM-200 PM-201 826C 826G II 826H 836G 836H Replaces 1206659 2178938 7e3999
Delorin [Fitment]Compatible with Loaders: 980G II, 988G, 988H, 980H, 980G, 986H, 990 || [Fitment]Compatible with Caterpillar C15 3406E 3126 C15 3126B 735 740 PM-200 PM-201 826C 826G II 826H 836G 836H || [Fitmen]Compatible with dozer 834g 834h 824g ii 824h 844h 824c || [Replacement]CSB30-0004 D11862623 VKM910009 1206659 910003A 87840057 1687819C91 2028958C93 3543883C1 2178938 7e3999 || [NOTE]This is NOT a original part, it's a aftermarket replacement part manufactured by Delorin
Number on catalog scheme: 7
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Compatible equipment models: 7E3999:

INDUSTRIAL ENGINE  3116  
TRUCK ENGINE  3126   3126B   3126E   Caterpillar

Information:

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00593968
Illustration 2 g00593891
Clean the mating surfaces for the front housing and for engine oil pump (2). Put the O-ring seal in position on the front housing.
Put the engine oil pump (2) in position on the front housing. Make sure that engine oil pump (2) is in position on alignment dowels (3) for proper placement.
Install three bolts (1) and tighten the bolts to a torque of 9 N m (80 lb in).Note: Latest engines do not have alignment dowels for the engine oil pump. After tightening the bolts to the proper torque, ensure that the shaft of the engine oil pump is free to rotate.End By: Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".

Caterpillar parts catalog:

Caterpillar parts catalog
3116 Industrial Engine 2WG00001-UP
3116 Truck Engine--ATAAC 7SF00001-UP
3116 Truck Engine(ATAAC) 2BK00001-UP
3116 Truck Engine 2BK00001-UP
3116 Truck Engine 9GK00001-UP
3126 Truck Engine 1WM00001-UP
3126B Truck Engine 7AS00001-13352
3126B and 3126E Truck Engine 8SZ00001-UP
3126B Truck Engine 7AS13353-UP
3126B Truck Engine 8YL00001-UP
3126B And 3126E Truck Engines BKD00001-UP
3126E Truck Engine CKM00001-UP
3126E Truck Engine 9SZ00001-UP
3126E Truck Engine CRP00001-UP
3126E Truck Engine HEP00001-UP
3116 Industrial Engine 2WG00001-UP


Parts belt Caterpillar catalog:

1352142 BELT TENSIONER
140M, 3116, 3126, 3126B, 3126E, AP-1055D, BG-260D, C-9, C7, C9, CX31-C9I, MTC735, TH31-E61, TK1051
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...
1352151 BELT TENSIONER
3116, 3126, 3126B, 3126E, 980G II, 980H, AP-755, C7
1900649 BELT TENSIONER
12M, 140G, 140H, 140M, 143H, 14H, 160H, 163H, 16H, 3126B, 3126E, 3176C, 3196, 3406E, 385B, 5090B, 725, 730, AD30, BG-2455D, C-10, C-12, C-15, C-16, C-18, C15, C18, C7, C9, CX31-C9I, CX35-P800, TH31-E6...
1382514 BELT TENSIONER
3126, 3126B, 3126E, 345B L, 797, 854G, 992G, C7
2064229 BELT-SERPENTINE
120H, 135H, 3126, 3126B, 3126E, AP-1055D, BG-2455D, BG-260D, C7, C9
1644599 BELT-SERPENTINE
3126, 3406E, 735, 740, 824C, 824G II, 825G II, 826G II, 980G, 980G II, 980H, 986H
2201209 BELT TENSIONER
120K, 120K 2, 12K, 12M, 140K, 140K 2, 160K, 3126, 3126B, 3126E, 573, 584, 814F II, 815F II, 816F II, 938H, 953D, 963D, 973D, AP-600D, AP-655D, AP555E, BG500E, BG600D, BG655D, C-9, C6.6, C7, C9, CX31-C...
8N9794 BELT TIGHTENER GP
776C, 776D, 777, 777B, 777D
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