2377253 BRIDGE-VALVE Caterpillar parts
14M, 16M, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L HVG, 349E L VG, 349F L, 621H, 621K, 623H, 623K, 623K LRC, 627H, 627K, 627K LRC, 725, 730, 730C, 966H, 972H,...
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Alternative (cross code) number:
CA2377253
237-7253
2377253
CA2377253
237-7253
2377253
Weight: 0.25 pounds 0 kg.
ARTICULATED TRUCK, WHEELED EXCAVATOR,
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2025-07-14
2025-07-11
Compatible equipment models: 2377253:
Information:
3116 (2BK, 7SF) Truck Engines In 1990-91 C6H And C7H Topkick/Kodiak Chevrolet And GMC TrucksDescription of Change: A new hose is used to connect the turbocharger compressor outlet to the inlet tubing for the ATAAC. The former hose could develop a tear. The tear could allow compressed air from the turbocharger to escape. This could result in an audible high pitch whine and/or a loss of power. The former hose has a depressed area (dip) around the center of the hose. The new hose has a raised area (hump) around the center of the hose. See the illustration. The new hose uses a different manufacturing process that will help prevent the tears.
Typical cross section of former hose (1) and current hose (2).Adaptable To: The new 15679504 Hose (GMC part number) is in effect on all vehicles built after the follow ing GMC Vehicle Identification NumbersGMC Truck...1GDM7H1J8MJ512250Chevrolet...1GBJ7H1J9MJ106991The new hump hose can be used to replace the former hose on earlier vehicles.
When replacing a former hose, be sure the new hump hose and ATAAC inlet tubing are positioned so that there is clearance between the tubing and the turbocharger outlet flange. Tighten the upper and lower constant torque clamps to a torque of 5.5 to 6.0 N m (49 to 53 lb in).
Typical cross section of former hose (1) and current hose (2).Adaptable To: The new 15679504 Hose (GMC part number) is in effect on all vehicles built after the follow ing GMC Vehicle Identification NumbersGMC Truck...1GDM7H1J8MJ512250Chevrolet...1GBJ7H1J9MJ106991The new hump hose can be used to replace the former hose on earlier vehicles.
When replacing a former hose, be sure the new hump hose and ATAAC inlet tubing are positioned so that there is clearance between the tubing and the turbocharger outlet flange. Tighten the upper and lower constant torque clamps to a torque of 5.5 to 6.0 N m (49 to 53 lb in).
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4N5611
BRIDGE AS-EXHAUST
245, 3406, 3408, 3408B, 3408C, 3412, 589, 621, 621E, 631D, 631E, 633D, 637D, 637E, 651E, 657E, 768C, 769C, 771C, 826C, 834B, 980C, 988B, 988F, 992C, D9R, G3408, G3412, PM-565, PR-450, PR-450C, PR-750B
245, 3406, 3408, 3408B, 3408C, 3412, 589, 621, 621E, 631D, 631E, 633D, 637D, 637E, 651E, 657E, 768C, 769C, 771C, 826C, 834B, 980C, 988B, 988F, 992C, D9R, G3408, G3412, PM-565, PR-450, PR-450C, PR-750B
4N5612
BRIDGE AS-INLET
245, 3406, 3406B, 3408, 3408B, 3408C, 3412, 375, 589, 621, 631D, 631E, 633D, 637D, 637E, 651E, 657E, 768C, 769C, 771C, 826C, 834B, 980C, 980F, 988B, 988F, 992C, D9R, G3408, G3412, PM-565, PR-450, PR-4...
245, 3406, 3406B, 3408, 3408B, 3408C, 3412, 375, 589, 621, 631D, 631E, 633D, 637D, 637E, 651E, 657E, 768C, 769C, 771C, 826C, 834B, 980C, 980F, 988B, 988F, 992C, D9R, G3408, G3412, PM-565, PR-450, PR-4...
1011817
BRIDGE AS-VALVE
16G, 3406, 3406B, 3406C, 3412, 3412C, 627B, 627E, 651E, 657E, 773B, 775B, 826C, 980C, 990, 992C, 992D, CG137-08, CG137-12, D10N, G3406, G3408, G3408B, G3408C, G3412, G3412C, PR-1000, PR-750B, SS-250
16G, 3406, 3406B, 3406C, 3412, 3412C, 627B, 627E, 651E, 657E, 773B, 775B, 826C, 980C, 990, 992C, 992D, CG137-08, CG137-12, D10N, G3406, G3408, G3408B, G3408C, G3412, G3412C, PR-1000, PR-750B, SS-250
1011816
BRIDGE AS-VALVE
16G, 16H NA, 3406, 3406B, 3406C, 3412, 3412C, 375, 375 L, 5080, 578, 583R, 587R, 621E, 621F, 623E, 623F, 627B, 627E, 627F, 651E, 657E, 773B, 775B, 814B, 824G, 825G, 826C, 826G, 980C, 980F, 980G, 990, ...
16G, 16H NA, 3406, 3406B, 3406C, 3412, 3412C, 375, 375 L, 5080, 578, 583R, 587R, 621E, 621F, 623E, 623F, 627B, 627E, 627F, 651E, 657E, 773B, 775B, 814B, 824G, 825G, 826C, 826G, 980C, 980F, 980G, 990, ...
1006889
BRIDGE-VALVE
16G, 16H NA, 24H, 3406B, 3406C, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 375, 375 L, 5080, 5110B, 578, 583R, 587R, 589, 621F, 623E, 623F, 627F, 631D, 631E, 631G, 633E II, 637E, 637G, 651E...
16G, 16H NA, 24H, 3406B, 3406C, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 375, 375 L, 5080, 5110B, 578, 583R, 587R, 589, 621F, 623E, 623F, 627F, 631D, 631E, 631G, 633E II, 637E, 637G, 651E...
1011818
BRIDGE AS-EXHAUST
16G, 16H NA, 3406B, 3406C, 375, 375 L, 5080, 578, 583R, 587R, 621E, 621F, 623E, 623F, 627E, 627F, 814B, 824G, 825G, 826C, 826G, 980C, 980F, 980G, D8N, D8R, D8R II, G3406, HT400, PM-465, RM-250C, RM-35...
16G, 16H NA, 3406B, 3406C, 375, 375 L, 5080, 578, 583R, 587R, 621E, 621F, 623E, 623F, 627E, 627F, 814B, 824G, 825G, 826C, 826G, 980C, 980F, 980G, D8N, D8R, D8R II, G3406, HT400, PM-465, RM-250C, RM-35...
2558674
BRIDGE-VALVE
12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 160M, 160M 2, 160M 3, 160M 3 AWD, 2290, 2390, 2391, 2491, 2590, 2864C, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2,...
12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 160M, 160M 2, 160M 3, 160M 3 AWD, 2290, 2390, 2391, 2491, 2590, 2864C, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2,...
3184836
BRIDGE-INSERTION
C32, XQC1200, XQC1600
C32, XQC1200, XQC1600
2564367
BRIDGE AS
G3512E, G3516C, G3516E, G3516H, G3520C, G3520E, PMG3516
G3512E, G3516C, G3516E, G3516H, G3520C, G3520E, PMG3516
4W2684
BRIDGE AS-EXHAUST
3406B, 375, 980C, 980F
3406B, 375, 980C, 980F
7F6519
BRIDGE
D326F, D337, D337F, D342, D343, D353C, D364, D375D, D397D
D326F, D337, D337F, D342, D343, D353C, D364, D375D, D397D
7F6518
BRIDGE
D320A, D326F, D337F, D342, D342C, D343, D353C, D364, D375D, D379A, D397D, D398
D320A, D326F, D337F, D342, D342C, D343, D353C, D364, D375D, D379A, D397D, D398
1764172
BRIDGE AS-VALVE
3176, 3176B, 3176C, 3196, C-10, C-12
3176, 3176B, 3176C, 3196, C-10, C-12
6I1683
BRIDGE AS-EXHAUST
3406B, 3406C
3406B, 3406C
7C0049
BRIDGE AS-EXHAUST
3406B, 3406C, D350E, D400E
3406B, 3406C, D350E, D400E
7C0048
BRIDGE-EXHAUST
3406B, 3406C, D350E, D400E
3406B, 3406C, D350E, D400E