Komatsu S6D125-1E Fuel System Parts Hub

Komatsu S6D125-1E Fuel System Parts is a focused 19PARTS hub for buyers working inside a specific Komatsu engine model and repair system. It is meant to reduce guesswork by tying engine-model navigation to related product listings and part-number references.

Diagram callout lookup for Komatsu S6D125-1E Fuel System Parts

Use each diagram together with the table directly below it. The Diagram Ref. column corresponds to the location number shown on that specific image. Clickable part numbers link to matching 19PARTS product pages where a product match exists.

S6D125-1E — Fuel Nozzle And Spill Pipe(#10001-23192)

Komatsu S6D125-1E Fuel System Parts diagram ENGINES/s6d125bc/120050a.png
ENGINES/s6d125bc/120050a.png · 50 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
1 6151-11-3101 Nozzle Holder Ass'Y 6 SN: 10296-23192
1 The part specified in the line above can be used instead of this part6151-11-3100 Nozzle Holder Ass'Y 6 SN: 10001-10295
4 DK150562-5000 Spring 1 SN: 10001-23192
5 DK150530-4000 Shim¤ 0.500Mm - SN: 10001-23192
5 DK150530-4100 Shim¤ 0.525Mm - SN: 10001-23192
5 DK150530-4200 Shim¤ 0.550Mm - SN: 10001-23192
5 DK150530-4300 Shim¤ 0.575Mm - SN: 10001-23192
5 DK150530-4400 Shim¤ 0.600Mm - SN: 10001-23192
5 DK150530-4500 Shim¤ 0.625Mm - SN: 10001-23192
5 DK150530-4600 Shim¤ 0.650Mm - SN: 10001-23192
5 DK150530-4700 Shim¤ 0.675Mm - SN: 10001-23192
5 DK150530-4800 Shim¤ 0.700Mm - SN: 10001-23192
5 DK150530-4900 Shim¤ 0.725Mm - SN: 10001-23192
5 DK150530-5000 Shim¤ 0.750Mm - SN: 10001-23192
5 DK150530-5100 Shim¤ 0.775Mm - SN: 10001-23192
5 DK150530-5200 Shim¤ 0.800Mm - SN: 10001-23192
5 DK150530-5300 Shim¤ 0.825Mm - SN: 10001-23192
5 DK150530-5400 Shim¤ 0.850Mm - SN: 10001-23192
5 DK150530-5600 Shim¤ 0.900Mm - SN: 10001-23192
5 DK150530-5700 Shim¤ 0.925Mm - SN: 10001-23192
5 DK150530-5800 Shim¤ 0.950Mm - SN: 10001-23192
5 DK150530-5900 Shim¤ 0.975Mm - SN: 10001-23192
5 DK150530-6000 Shim¤ 1.000Mm - SN: 10001-23192
5 DK150530-6100 Shim¤ 1.025Mm - SN: 10001-23192
5 DK150530-6200 Shim¤ 1.050Mm - SN: 10001-23192
5 DK150530-6300 Shim¤ 1.075Mm - SN: 10001-23192
5 DK150530-6400 Shim¤ 1.100Mm - SN: 10001-23192
5 DK150530-6500 Shim¤ 1.125Mm - SN: 10001-23192
5 DK150530-6600 Shim¤ 1.150Mm - SN: 10001-23192
5 DK150530-6700 Shim¤ 1.175Mm - SN: 10001-23192
5 DK150530-6800 Shim¤ 1.200Mm - SN: 10001-23192
5 DK150530-6900 Shim¤ 1.225Mm - SN: 10001-23192
5 DK150530-7000 Shim¤ 1.250Mm - SN: 10001-23192
5 DK150530-7100 Shim¤ 1.275Mm - SN: 10001-23192
5 DK150530-7200 Shim¤ 1.300Mm - SN: 10001-23192
5 DK150530-7300 Shim¤ 1.325Mm - SN: 10001-23192
5 DK150530-7400 Shim¤ 1.350Mm - SN: 10001-23192
5 DK150530-7500 Shim¤ 1.375Mm - SN: 10001-23192
5 DK150530-7600 Shim¤ 1.400Mm - SN: 10001-23192
5 DK150530-7700 Shim¤ 1.425Mm - SN: 10001-23192
5 DK150530-7800 Shim¤ 1.450Mm - SN: 10001-23192
5 DK150530-7900 Shim¤ 1.475Mm - SN: 10001-23192
5 DK150530-8000 Shim¤ 1.500Mm - SN: 10001-23192
8 DK029300-5070 Gasket 1 SN: 10001-23192
10 6127-11-3152 Bolt,Joint 1 SN: 10001-23192
11 07005-00812 Gasket (K1) 2 SN: 10001-23192
12 6151-11-3121 Nozzle 1 SN: 10296-23192
12 The part specified in the line above can be used instead of this part6151-11-3120 Nozzle 1 SN: 10001-10295
14 07000-65065 O-Ring (K1) 6 SN: 10001-@
16 07005-01012 Gasket (K1) 12 SN: 10001-@

S6D125-1E — Fuel Nozzle And Spill Pipe(#10001-23192)

Komatsu S6D125-1E Fuel System Parts diagram ENGINES/s6d125ar/120050a.png
ENGINES/s6d125ar/120050a.png · 50 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
1 6151-11-3101 Nozzle Holder Ass'Y 6 SN: 10296-23192
1 The part specified in the line above can be used instead of this part6151-11-3100 Nozzle Holder Ass'Y 6 SN: 10001-10295
4 DK150562-5000 Spring 1 SN: 10001-23192
5 DK150530-4000 Shim¤ 0.500Mm - SN: 10001-23192
5 DK150530-4100 Shim¤ 0.525Mm - SN: 10001-23192
5 DK150530-4200 Shim¤ 0.550Mm - SN: 10001-23192
5 DK150530-4300 Shim¤ 0.575Mm - SN: 10001-23192
5 DK150530-4400 Shim¤ 0.600Mm - SN: 10001-23192
5 DK150530-4500 Shim¤ 0.625Mm - SN: 10001-23192
5 DK150530-4600 Shim¤ 0.650Mm - SN: 10001-23192
5 DK150530-4700 Shim¤ 0.675Mm - SN: 10001-23192
5 DK150530-4800 Shim¤ 0.700Mm - SN: 10001-23192
5 DK150530-4900 Shim¤ 0.725Mm - SN: 10001-23192
5 DK150530-5000 Shim¤ 0.750Mm - SN: 10001-23192
5 DK150530-5100 Shim¤ 0.775Mm - SN: 10001-23192
5 DK150530-5200 Shim¤ 0.800Mm - SN: 10001-23192
5 DK150530-5300 Shim¤ 0.825Mm - SN: 10001-23192
5 DK150530-5400 Shim¤ 0.850Mm - SN: 10001-23192
5 DK150530-5600 Shim¤ 0.900Mm - SN: 10001-23192
5 DK150530-5700 Shim¤ 0.925Mm - SN: 10001-23192
5 DK150530-5800 Shim¤ 0.950Mm - SN: 10001-23192
5 DK150530-5900 Shim¤ 0.975Mm - SN: 10001-23192
5 DK150530-6000 Shim¤ 1.000Mm - SN: 10001-23192
5 DK150530-6100 Shim¤ 1.025Mm - SN: 10001-23192
5 DK150530-6200 Shim¤ 1.050Mm - SN: 10001-23192
5 DK150530-6300 Shim¤ 1.075Mm - SN: 10001-23192
5 DK150530-6400 Shim¤ 1.100Mm - SN: 10001-23192
5 DK150530-6500 Shim¤ 1.125Mm - SN: 10001-23192
5 DK150530-6600 Shim¤ 1.150Mm - SN: 10001-23192
5 DK150530-6700 Shim¤ 1.175Mm - SN: 10001-23192
5 DK150530-6800 Shim¤ 1.200Mm - SN: 10001-23192
5 DK150530-6900 Shim¤ 1.225Mm - SN: 10001-23192
5 DK150530-7000 Shim¤ 1.250Mm - SN: 10001-23192
5 DK150530-7100 Shim¤ 1.275Mm - SN: 10001-23192
5 DK150530-7200 Shim¤ 1.300Mm - SN: 10001-23192
5 DK150530-7300 Shim¤ 1.325Mm - SN: 10001-23192
5 DK150530-7400 Shim¤ 1.350Mm - SN: 10001-23192
5 DK150530-7500 Shim¤ 1.375Mm - SN: 10001-23192
5 DK150530-7600 Shim¤ 1.400Mm - SN: 10001-23192
5 DK150530-7700 Shim¤ 1.425Mm - SN: 10001-23192
5 DK150530-7800 Shim¤ 1.450Mm - SN: 10001-23192
5 DK150530-7900 Shim¤ 1.475Mm - SN: 10001-23192
5 DK150530-8000 Shim¤ 1.500Mm - SN: 10001-23192
8 DK029300-5070 Gasket 1 SN: 10001-23192
10 6127-11-3152 Bolt,Joint 1 SN: 10001-23192
11 07005-00812 Gasket (K1) 2 SN: 10001-23192
12 6151-11-3121 Nozzle 1 SN: 10296-23192
12 The part specified in the line above can be used instead of this part6151-11-3120 Nozzle 1 SN: 10001-10295
14 07000-65065 O-Ring (K1) 6 SN: 10001-@
16 07005-01012 Gasket (K1) 12 SN: 10001-@

S6D125-1E — Fuel Injection Pump And Piping

Komatsu S6D125-1E Fuel System Parts diagram ENGINES/s6d125bc/120010a.png
ENGINES/s6d125bc/120010a.png · 34 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 6150-21-6120 Bracket 1 SN: 28580-UP
3 04020-01024 Pin,Dowel 2 SN: 10001-UP
4 01010-51075 Bolt 2 SN: 10001-UP
6 01640-21016 Washer 4 SN: 10001-10605
6 01643-31032 Washer 4 SN: 10606-UP
7 01010-30875 Bolt 4 SN: 23193-UP
8 01641-21016 Washer 4 SN: 10001-23192
12 06030-06307 Bearing,Ball 1 SN: 10001-UP
13 04065-08025 Ring,Snap 1 SN: 10001-UP
14 06000-06006 Bearing,Ball 1 SN: 10001-UP
15 6151-71-3150 Seal,Oil (K2) 1 SN: 10001-UP
18 04010-00519 Key 1 SN: 10001-UP
21 07000-02125 O-Ring (K2) 1 SN: 10001-UP
23 01640-21016 Washer 4 SN: 10001-UP
24 6150-71-5111 Tube,Injection¤ No.1 1 SN: 23193-UP
24 6151-71-5110 Tube,Injection¤ No.1 1 SN: 10001-23192
25 6150-71-5121 Tube,Injection¤ No.2 1 SN: 23193-UP
25 6151-71-5120 Tube,Injection¤ No.2 1 SN: 10001-23192
26 6150-71-5131 Tube,Injection¤ No.3 1 SN: 23193-UP
26 6151-71-5130 Tube,Injection¤ No.3 1 SN: 10001-23192
27 6150-71-5141 Tube,Injection¤ No.4 1 SN: 23193-UP
27 6151-71-5140 Tube,Injection¤ No.4 1 SN: 10001-23192
28 6150-71-5151 Tube,Injection¤ No.5 1 SN: 23193-UP
28 6151-71-5150 Tube,Injection¤ No.5 1 SN: 10001-23192
29 6150-71-5161 Tube,Injection¤ No.6 1 SN: 23193-UP
29 6151-71-5160 Tube,Injection¤ No.6 1 SN: 10001-23192
35 01010-50630 Bolt 1 SN: 10001-UP
38 07206-30710 Bolt,Joint 1 SN: 10001-23192
39 07005-01012 Gasket (K2) 2 SN: 10001-23192
39 07005-01412 Gasket (K2) 3 SN: 23193-UP
40 6151-71-5710 Tube 1 SN: 10001-23192
42 07005-01412 Gasket (K2) 2 SN: 10001-UP
47 07005-01412 Gasket (K2) 2 SN: 10001-UP
50 07285-00085 Clip 2 SN: 10001-UP

S6D125-1E — Fuel Injection Pump And Piping

Komatsu S6D125-1E Fuel System Parts diagram ENGINES/s6d125ar/120010a.png
ENGINES/s6d125ar/120010a.png · 34 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 6150-21-6120 Bracket 1 SN: 28580-UP
3 04020-01024 Pin,Dowel 2 SN: 10001-UP
4 01010-51075 Bolt 2 SN: 10001-UP
6 01640-21016 Washer 4 SN: 10001-10605
6 01643-31032 Washer 4 SN: 10606-UP
7 01010-30875 Bolt 4 SN: 23193-UP
8 01641-21016 Washer 4 SN: 10001-23192
12 06030-06307 Bearing,Ball 1 SN: 10001-UP
13 04065-08025 Ring,Snap 1 SN: 10001-UP
14 06000-06006 Bearing,Ball 1 SN: 10001-UP
15 6151-71-3150 Seal,Oil (K2) 1 SN: 10001-UP
18 04010-00519 Key 1 SN: 10001-UP
21 07000-02125 O-Ring (K2) 1 SN: 10001-UP
23 01640-21016 Washer 4 SN: 10001-UP
24 6150-71-5111 Tube,Injection¤ No.1 1 SN: 23193-UP
24 6151-71-5110 Tube,Injection¤ No.1 1 SN: 10001-23192
25 6150-71-5121 Tube,Injection¤ No.2 1 SN: 23193-UP
25 6151-71-5120 Tube,Injection¤ No.2 1 SN: 10001-23192
26 6150-71-5131 Tube,Injection¤ No.3 1 SN: 23193-UP
26 6151-71-5130 Tube,Injection¤ No.3 1 SN: 10001-23192
27 6150-71-5141 Tube,Injection¤ No.4 1 SN: 23193-UP
27 6151-71-5140 Tube,Injection¤ No.4 1 SN: 10001-23192
28 6150-71-5151 Tube,Injection¤ No.5 1 SN: 23193-UP
28 6151-71-5150 Tube,Injection¤ No.5 1 SN: 10001-23192
29 6150-71-5161 Tube,Injection¤ No.6 1 SN: 23193-UP
29 6151-71-5160 Tube,Injection¤ No.6 1 SN: 10001-23192
35 01010-50630 Bolt 1 SN: 10001-UP
38 07206-30710 Bolt,Joint 1 SN: 10001-23192
39 07005-01012 Gasket (K2) 2 SN: 10001-23192
39 07005-01412 Gasket (K2) 3 SN: 23193-UP
40 6151-71-5710 Tube 1 SN: 10001-23192
42 07005-01412 Gasket (K2) 2 SN: 10001-UP
47 07005-01412 Gasket (K2) 2 SN: 10001-UP
50 07285-00085 Clip 2 SN: 10001-UP

S6D125-1E — 2)(#10001-23192)

Komatsu S6D125-1E Fuel System Parts diagram ENGINES/s6d125bc/120090a.png
ENGINES/s6d125bc/120090a.png · 17 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 DK134101-9820 Plunger Ass'Y 1 SN: 10001-23192
4 DK134116-4720 Holder,Delivery Valve 1 SN: 10001-23192
5 DK029632-2070 O-Ring 1 SN: 10001-23192
7 DK134112-2000 Spring 1 SN: 10001-23192
8 DK134115-0100 Gasket 1 SN: 10001-23192
9 DK029302-0140 Washer 1 SN: 10001-23192
11 DK029602-0010 Ring,Snap 1 SN: 10001-23192
12 DK029632-9030 O-Ring 1 SN: 10001-23192
13 DK029631-5020 O-Ring 2 SN: 10001-23192
14 DK139400-0900 Shim¤ 0.500Mm - SN: 10001-23192
14 DK139400-1000 Shim¤ 0.525Mm - SN: 10001-23192
14 DK139400-1100 Shim¤ 0.550Mm - SN: 10001-23192
14 DK139400-2100 Shim¤ 0.800Mm - SN: 10001-23192
14 DK139400-2900 Shim¤ 1.000Mm - SN: 10001-23192
21 DK134241-0021 Sleeve,Control 6 SN: 10001-23192
22 DK134216-0000 Seat,Spring 6 SN: 10001-23192
25 DK134200-0020 Tappet Ass'Y 6 SN: 10001-23192

S6D125-1E — 2)(#10001-23192)

Komatsu S6D125-1E Fuel System Parts diagram ENGINES/s6d125ar/120090a.png
ENGINES/s6d125ar/120090a.png · 17 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 DK134101-9820 Plunger Ass'Y 1 SN: 10001-23192
4 DK134116-4720 Holder,Delivery Valve 1 SN: 10001-23192
5 DK029632-2070 O-Ring 1 SN: 10001-23192
7 DK134112-2000 Spring 1 SN: 10001-23192
8 DK134115-0100 Gasket 1 SN: 10001-23192
9 DK029302-0140 Washer 1 SN: 10001-23192
11 DK029602-0010 Ring,Snap 1 SN: 10001-23192
12 DK029632-9030 O-Ring 1 SN: 10001-23192
13 DK029631-5020 O-Ring 2 SN: 10001-23192
14 DK139400-0900 Shim¤ 0.500Mm - SN: 10001-23192
14 DK139400-1000 Shim¤ 0.525Mm - SN: 10001-23192
14 DK139400-1100 Shim¤ 0.550Mm - SN: 10001-23192
14 DK139400-2100 Shim¤ 0.800Mm - SN: 10001-23192
14 DK139400-2900 Shim¤ 1.000Mm - SN: 10001-23192
21 DK134241-0021 Sleeve,Control 6 SN: 10001-23192
22 DK134216-0000 Seat,Spring 6 SN: 10001-23192
25 DK134200-0020 Tappet Ass'Y 6 SN: 10001-23192

Shop the Komatsu S6D125-1E Fuel System Parts collection

S6D125-1E Fuel System Parts lookup notes

Use this hub when the repair has already been narrowed to fuel system parts. Confirm each part against the engine serial range, parts-book callout, quantity, and option notes before ordering.

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Komatsu engine parts often change by engine arrangement, serial range, diagram callout, and option note. 19PARTS uses engine-model organization to help you move from a broad Komatsu part number search into a tighter reference path, but final fitment should always be confirmed against your engine serial number and parts book.

Our Keep Ops Moving approach is simple: give buyers cleaner lookup paths, clear part-number references, and practical cross-navigation so rebuild shops, fleet teams, mechanics, and equipment owners can identify the right components faster.