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SPRING 7N1903 - Caterpillar


7N1903 SPRING Caterpillar parts 3508, 3508B, 3508C, 3512, 3516, 3516B, 5130, 5230, 776C, 784B, 785, 785B, 789B, 793B, 994, D11N, D11R, G3508, G3508B, G3512, G3512B, G3516, G3516B, G3520B, G3606, G3606B, G3608, G3612, G3616, PM3512, ...
Rating:
86
Alternative (cross code) number:
CA7N1903
7N-1903
7N1903
Caterpillar 7N1903 SPRING
Weight: 0.010 pounds 0 kg.
Information:
ACTUAL RATE  20.66  N/MM
FREE LENGTH  51.54  mm
OD  29.24  mm
SOLID LENGTH  28.68  mm
WIRE DIAMETER  3.76  mm

Buy SPRING 7N1903 Caterpillar genuine, new aftermarket tractor parts with delivery
GAS ENGINE, WHEEL LOADER,

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$41.99

30 Jul 2025

US: Fincoss
7N1903 Inner Valve Spring Fits Caterpillar Industrial Construction Models
Generic Package included: 1x 7N1903 Inner Valve Spring Fits Caterpillar Industrial Construction Models as the picture . || High-Performance Efficiency: gineered for maximum efficiency, this product delivers exceptional performance without compromising on quality. It’s a versatile replacement suitable for various applications. || Identify the model: USE Ctrl + F to SEARCH your model number inside the Product Description. || Note: If you are not sure about the compatibility please contact us for advice. we will solve your problem within 24 hours || Note: If you are not sure about the compatibility please contact us for advice. we will solve your problem within 24 hours
$19.99

29 Jul 2025
1.0[0.45] pounds
US: RAParts Inc.
Stevens Lake Parts One New Inner Spring Fits CAT, Fits Caterpillar 3508, 3512, 3516, 3516B Models Interchangeable with 7N1903, 7N1903-A, ENL80-0175
Stevens Lake Parts One New Aftermarket Replacement Inner Valve Spring || This Is An Aftermarket Replacement Part Made To Meet Or Exceed OEM Specifications.
$19.99

29 Jul 2025
1.0[0.45] pounds
US: RAParts Inc.
RAParts 7N1903 Inner Valve Spring Fits Caterpillar Industrial Construction Models
Reliable Aftermarket Parts One New Aftermarket Replacement Inner Valve Spring Fits Various Fits Caterpillar Industrial Construc || OEM Numbers Are Provided for Reference Only. Please Verify Fit Prior To Ordering. || Please Note: Some Listings Use Stock Images for Reference and May Differ from the Actual Product. || This Aftermarket Part Is Made to Meet or Exceed Manufacturer (OEM) Specifications. || All OEM part numbers and logos are to be used for identification purposes only.
Number on catalog scheme: 10
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7N1903 Images:
Caterpillar parts 7N1903

Compatible equipment models: 7N1903:

INDUSTRIAL ENGINE  3508   3512   3516  
LOCOMOTIVE ENGINE  3508   3512   3516  
MARINE AUXILIARY  3512   3516B  
MARINE ENGINE  3508   3512   3516  
MINING EXCAVATOR  5130   5230  
POWER MODULE  PM3512   PM3516   PMG3516  
TRACK-TYPE TRACTOR  D11N   D11R  
TRACTOR  776C   784B  
TRUCK  785   785B   789B   793B  
VEHICULAR ENGINE  3508   3512   3516  
WHEEL LOADER  994   Caterpillar

Information:

Exterior Features
The illustration shows typical exterior features of a PM3500 Power Module.
Illustration 1 g00728467
(1) Air inlet door (2) Entrance door (3) Load cable access door (4) Interconnect access door (option) (5) Landing gear (6) Storage box (option) (7) Two axle undercarriage for 3508 engine and 3512 engine or three axle undercarriage for 3516Interior Features
The illustrations show typical interior features of a PM3500 Power Module.
Illustration 2 g00728939
(1) Fuel filler (2) Fuel tank (3) Fuel transfer pump (option) (4) Control panel for the fuel transfer system (option) (5) Rain shield (6) Literature box (7) Lights (8) 3500 Engine (9) Mufflers (10) Radiator fan (11) Cooling system filler cap (12) Radiator shutter (option) (13) Vertical discharge panel (14) Coolant drain (15) Fuel/water separators (16) Fire extinguisher (option) (17) Lube oil makeup system (option) (18) Cable duct with bellows (19) Jacket water heater (20) Oil drain for the crankcase
Illustration 3 g00785843
(2) Fuel tank (4) Control panel for the fuel transfer system (option) (7) Lights (11) Cooling system filler cap (15) Fuel/water separators (21) Outside door for the fuel filler (option) (22) Fuel drain (23) Entrance door (24) Air inlet (25) Generator (26) Batteries (27) Rear doors (28) Switchgear (29) Space heater (option) (30) Radiator (31) Air outletDimensions
The following illustration shows the dimensions of the power module.
Illustration 4 g00773703
Dimensions of the power module (W) 2.44 m (8 ft) (L) 12.20 m (40 ft) (H1) 2.90 m (9.5 ft) (H2) 4.11 m (13.5 ft)

Cat SIS web machinery list:

Caterpillar parts catalog
G3608 Petroleum XH700001-UP
G3520J Engine N2200001-UP
G3520J Engine N2400001-UP
G3508J Gas Compression Engine N8W00001-UP
G3516B Generator Set E6T00001-UP
3508 MARINE ENGINE 69Z00001-00274
G3512 ENGINE 4KC00001-UP
3508 Engine For Caterpillar Built Machines 97Y00001-UP
3508 Marine Engine 69Z00275-UP
3512 Marine Engine 50Y00647-01304
G3516 Engine 3RC00001-UP
3512 Vehicular Engine 51Y00513-UP
3516 Generator Set Engine 25Z00684-02188
3516 Marine Engine 29Z00818-01119
3508 Industrial Engine 68Z00694-01092
3512 ENGINE 49Y00486-00925
3516 Industrial Engine 27Z00650-00791
3516 Engine For OEM Built Machines 28Z00613-UP
3516 Generator Set Engine 4XF00001-UP
3516 Locomotive Engine 9KF00001-UP
G3508 ENGINE 2JF00001-UP
3516 MARINE ENGINE 4MJ00001-00149
3516 Generator Set Engine 5SJ00001-UP
3512 Locomotive Engine 2WK00001-UP
3508 LOCOMOTIVE ENGINE 6TJ00001-UP
3516 Marine Engine 4MJ00150-00177
G3516 Engine Electronic Ignition System 4EK00001-UP
3508 Generator Set Engine 70Z00757-UP
777C Truck 776C Tractor 2TK00001-UP (MACHINE) POWERED BY 3508 Engine
784B Tractor 5RK00001-UP (MACHINE) POWERED BY 3512 Engine
785B Off-Highway Truck 6HK00001-UP (MACHINE) POWERED BY 3512 Engine
793B Off-Highway Truck 1HL00001-UP (MACHINE) POWERED BY 3516 Engine
789B Off-HighwayTruck 7EK00001-UP (MACHINE) POWERED BY 3516 Engine
3512 Engine For 785 Truck 8GB00001-UP (MACHINE)


Parts spring Caterpillar catalog:

9J5491 SPRING (outer)
183B, 193, 5110B, 5130B, 5230, 5230B, 735, 735B, 740, 740B, 930, AD30, D10, D350E II, D400E II, D7G, D8K, D9H
1A8096 SPRING-VALVE
120B, 12E, 12F, 12G, 140B, 140G, 14E, 16, 16G, 814F, 814F II, 815B, 815F, 815F II, 816F, 816F II, 826C, 834B, 836, 931B, 936, 950, 950F, 950F II, 950G, 950G II, 950H, 950K, 955H, 960F, 962G, 962G II, ...
9T8446 SPRING
14G, 14H, 14H NA, 14M, 16G, 16H, 16H NA, 16M, 24H, 24M, 5230, 5230B, 789B, 789C, 789D, 793, 793B, 793C, D8N, D8R, D8R II, D9R
6E4214 SPRING-BIAS
14G, 14H, 14H NA, 14M, 16G, 16H, 16H NA, 16M, 24H, 24M, 5230, 5230B, 789B, 789C, 789D, 793, 793B, 793C, D8N, D8R, D8R II, D9R
7T0570 SPRING
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA, 621E, 621F, 621G, 623E, 623F, 62...
5D0768 SPRING
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 12G, 12H, 12H ES, 12H NA, 12K, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 14G, 14H, 14H NA, 160G, 160H, 160H ES, 160H NA, 160K, ...
4D2298 SPRING
613C, 621E, 631E, 641B, 657, 769C, 769D, 771C, 771D, 772, 773B, 773D, 775B, 775D, 776C, 776D, 777, 777D, 784B, 785B, 789B, 793B, 793C, 920, 926, 930, 936F, 950, 950F, 950F II, 966C, 966D, 966F, 966F I...
2S1381 SPRING
627, 627B, 627E, 627F, 627G, 627H, 627K, 627K LRC, 637, 637B, 637D, 637E, 637G, 814, 814B, 815B, 824, 824B, 824C, 826C, 834, 834B, 836, 950B, 950F, 966C, 966D, 966F, 980, 980B, 980C, 980F, 988, 988B, ...
9D6135 SPRING
621H, 621K, 623H, 623K, 623K LRC, 627H, 627K, 627K LRC, 770G, 770G OEM, 772B, 772G, 772G OEM, 773B, 773D, 773E, 773F, 773G, 773G LRC, 773G OEM, 775B, 775D, 775E, 775F, 775G, 775G LRC, 775G OEM, 776C, ...
7B8194 SPRING
16, 814F, 814F II, 815B, 815F, 815F II, 816F, 816F II, 826C, 834B, 836, 936, 950, 950F, 950F II, 950G, 950G II, 950H, 950K, 960F, 962G, 962G II, 962H, 962K, 966C, 966F, 966F II, 966G, 966G II, 966H, 9...
6I9519 SPRING
24H, 814F, 815F, 816F, 824G, 825G, 826G, 844, 844H, 844K, 854G, 854K, 936F, 950F, 950F II, 960F, 966F, 966F II, 970F, 980F, 980F II, 980G, 980G II, 988F, 988F II, 990, 990 II, 990H, 990K, 992D, 992G, ...
2P5677 SPRING
120G, 12G, 130G, 140G, 14G, 14H, 14H NA, 160G, 16G, 16H, 16H NA, 988B, 992C, 994
1H9578 SPRING-PISTON
3406B, 3408, 3408C, 3412, 3412C, 3412D, 3412E, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C32, D342, D348, D353C, D364, D379A, D398A, G3508, G3508B, G3512, G3512B, G3516, G3516B, G352...
5N8372 SPRING-RETURN
3412, 3412C, 3412D, 3412E, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 3606, 3608, 3612, 3616, 3618, 5230, 5230B, 776C, 776D, 777D, 784B, 784C, 785, 785B, 785C, 785D, 789B, 789C, 793B,...
5N8380 SPRING-PINION
3412, 3412C, 3412D, 3412E, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 3606, 3608, 3612, 3616, 3618, 5230, 5230B, 776C, 776D, 777D, 784B, 784C, 785, 785B, 785C, 785D, 789B, 789C, 793B,...
5N8381 SPRING-CLUTCH
3412, 3412C, 3412D, 3412E, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 3606, 3608, 3612, 3616, 3618, 5230, 5230B, 776C, 776D, 777D, 784B, 784C, 785, 785B, 785C, 785D, 789B, 789C, 793B,...
9S9770 SPRING
1140, 1150, 1673B, 1676, 215, 245, 3208, 3306, 3406, 3408, 3412, 594, 594H, 631C, 631D, 633D, 637D, 651, 657B, 772, 814, 824B, 920, 950, 951B, 977K, 988, 988B, D320A, D330A, D342, D342C, D348, D379, D...
7N5628 SPRING-SOLENOID
3406, 3408, 3412, D44B, D550B
2N9020 SPRING AS
3116, 3126, 3126B, 3208, 3304, C7
6L9717 SPRING-CLUTCH PISTON
3116, 3126, 3208, 3304, D330A, D330B
4B4713 SPRING
3116, 3126, 3160, 3208, 3304, 3306, 3406, D315, D320A, D326F, D330A, D333A, D336, D337, D342, D342C, D343, D348, G343
6B0173 SPRING
3304, 3306, D315, D326F, D330A, D333A, D337, D342, D342C
7N1904 SPRING
3508, 3508B, 3508C, 3512, 3516, 3516B, 5130, 5230, 776C, 784B, 785, 785B, 789B, 793B, 994, D11N, D11R, G3508, G3508B, G3512, G3512B, G3516, G3516B, G3520B, G3606, G3606B, G3608, G3612, G3616, PM3512, ...
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