Komatsu S6D125-1T Fuel System Parts Hub

Komatsu S6D125-1T 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 S6D125-1T 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.

S6D125-1T — Fuel Nozzle And Spill Pipe(#13444-26690)

Komatsu S6D125-1T Fuel System Parts diagram ENGINES/s6d125wr/120070a.png
ENGINES/s6d125wr/120070a.png · 48 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
1 6151-11-3101 Nozzle Holder Ass'Y 6 SN: 13444-26690
4 DK150562-5000 Spring,Nozzle 1 SN: 13444-26690
5 DK150530-4000 Shim¤ 0.500Mm - SN: 13444-26690
5 DK150530-4100 Shim¤ 0.525Mm - SN: 13444-26690
5 DK150530-4200 Shim¤ 0.550Mm - SN: 13444-26690
5 DK150530-4300 Shim¤ 0.575Mm - SN: 13444-26690
5 DK150530-4400 Shim¤ 0.600Mm - SN: 13444-26690
5 DK150530-4500 Shim¤ 0.625Mm - SN: 13444-26690
5 DK150530-4600 Shim¤ 0.650Mm - SN: 13444-26690
5 DK150530-4700 Shim¤ 0.675Mm - SN: 13444-26690
5 DK150530-4800 Shim¤ 0.700Mm - SN: 13444-26690
5 DK150530-4900 Shim¤ 0.725Mm - SN: 13444-26690
5 DK150530-5000 Shim¤ 0.750Mm - SN: 13444-26690
5 DK150530-5100 Shim¤ 0.775Mm - SN: 13444-26690
5 DK150530-5200 Shim¤ 0.800Mm - SN: 13444-26690
5 DK150530-5300 Shim¤ 0.825Mm - SN: 13444-26690
5 DK150530-5400 Shim¤ 0.850Mm - SN: 13444-26690
5 DK150530-5600 Shim¤ 0.900Mm - SN: 13444-26690
5 DK150530-5700 Shim¤ 0.925Mm - SN: 13444-26690
5 DK150530-5800 Shim¤ 0.950Mm - SN: 13444-26690
5 DK150530-5900 Shim¤ 0.975Mm - SN: 13444-26690
5 DK150530-6000 Shim¤ 1.000Mm - SN: 13444-26690
5 DK150530-6100 Shim¤ 1.025Mm - SN: 13444-26690
5 DK150530-6200 Shim¤ 1.050Mm - SN: 13444-26690
5 DK150530-6300 Shim¤ 1.075Mm - SN: 13444-26690
5 DK150530-6400 Shim¤ 1.100Mm - SN: 13444-26690
5 DK150530-6500 Shim¤ 1.125Mm - SN: 13444-26690
5 DK150530-6600 Shim¤ 1.150Mm - SN: 13444-26690
5 DK150530-6700 Shim¤ 1.175Mm - SN: 13444-26690
5 DK150530-6800 Shim¤ 1.200Mm - SN: 13444-26690
5 DK150530-6900 Shim¤ 1.225Mm - SN: 13444-26690
5 DK150530-7000 Shim¤ 1.250Mm - SN: 13444-26690
5 DK150530-7100 Shim¤ 1.275Mm - SN: 13444-26690
5 DK150530-7200 Shim¤ 1.300Mm - SN: 13444-26690
5 DK150530-7300 Shim¤ 1.325Mm - SN: 13444-26690
5 DK150530-7400 Shim¤ 1.350Mm - SN: 13444-26690
5 DK150530-7500 Shim¤ 1.375Mm - SN: 13444-26690
5 DK150530-7600 Shim¤ 1.400Mm - SN: 13444-26690
5 DK150530-7700 Shim¤ 1.425Mm - SN: 13444-26690
5 DK150530-7800 Shim¤ 1.450Mm - SN: 13444-26690
5 DK150530-7900 Shim¤ 1.475Mm - SN: 13444-26690
5 DK150530-8000 Shim¤ 1.500Mm - SN: 13444-26690
8 DK029300-5070 Gasket 1 SN: 13444-26690
10 6127-11-3152 Bolt,Joint 1 SN: 13444-26690
11 07005-00812 Gasket (K1) 2 SN: 13444-26690
12 6151-11-3121 Nozzle 1 SN: 13444-26690
14 07000-65065 O-Ring (K1) 6 SN: 13444-@
16 07005-01012 Gasket (K1) 12 SN: 13444-@

S6D125-1T — Fuel Nozzle And Spill Pipe(#13444-26690)

Komatsu S6D125-1T Fuel System Parts diagram ENGINES/s6d125ic/120070a.png
ENGINES/s6d125ic/120070a.png · 48 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
0 6151-11-3101 Nozzle Holder Ass'Y 6 SN: 13444-26690
4 DK150562-5000 Spring,Nozzle 1 SN: 13444-26690
5 DK150530-4000 Shim, 0.500Mm - SN: 13444-26690
5 DK150530-4100 Shim, 0.525Mm - SN: 13444-26690
5 DK150530-4200 Shim, 0.550Mm - SN: 13444-26690
5 DK150530-4300 Shim, 0.575Mm - SN: 13444-26690
5 DK150530-4400 Shim, 0.600Mm - SN: 13444-26690
5 DK150530-4500 Shim, 0.625Mm - SN: 13444-26690
5 DK150530-4600 Shim, 0.650Mm - SN: 13444-26690
5 DK150530-4700 Shim, 0.675Mm - SN: 13444-26690
5 DK150530-4800 Shim, 0.700Mm - SN: 13444-26690
5 DK150530-4900 Shim, 0.725Mm - SN: 13444-26690
5 DK150530-5000 Shim, 0.750Mm - SN: 13444-26690
5 DK150530-5100 Shim, 0.775Mm - SN: 13444-26690
5 DK150530-5200 Shim, 0.800Mm - SN: 13444-26690
5 DK150530-5300 Shim, 0.825Mm - SN: 13444-26690
5 DK150530-5400 Shim, 0.850Mm - SN: 13444-26690
5 DK150530-5600 Shim, 0.900Mm - SN: 13444-26690
5 DK150530-5700 Shim, 0.925Mm - SN: 13444-26690
5 DK150530-5800 Shim, 0.950Mm - SN: 13444-26690
5 DK150530-5900 Shim, 0.975Mm - SN: 13444-26690
5 DK150530-6000 Shim, 1.000Mm - SN: 13444-26690
5 DK150530-6100 Shim, 1.025Mm - SN: 13444-26690
5 DK150530-6200 Shim, 1.050Mm - SN: 13444-26690
5 DK150530-6300 Shim, 1.075Mm - SN: 13444-26690
5 DK150530-6400 Shim, 1.100Mm - SN: 13444-26690
5 DK150530-6500 Shim, 1.125Mm - SN: 13444-26690
5 DK150530-6600 Shim, 1.150Mm - SN: 13444-26690
5 DK150530-6700 Shim, 1.175Mm - SN: 13444-26690
5 DK150530-6800 Shim, 1.200Mm - SN: 13444-26690
5 DK150530-6900 Shim, 1.225Mm - SN: 13444-26690
5 DK150530-7000 Shim, 1.250Mm - SN: 13444-26690
5 DK150530-7100 Shim, 1.275Mm - SN: 13444-26690
5 DK150530-7200 Shim, 1.300Mm - SN: 13444-26690
5 DK150530-7300 Shim, 1.325Mm - SN: 13444-26690
5 DK150530-7400 Shim, 1.350Mm - SN: 13444-26690
5 DK150530-7500 Shim, 1.375Mm - SN: 13444-26690
5 DK150530-7600 Shim, 1.400Mm - SN: 13444-26690
5 DK150530-7700 Shim, 1.425Mm - SN: 13444-26690
5 DK150530-7800 Shim, 1.450Mm - SN: 13444-26690
5 DK150530-7900 Shim, 1.475Mm - SN: 13444-26690
5 DK150530-8000 Shim, 1.500Mm - SN: 13444-26690
8 DK029300-5070 Gasket 1 SN: 13444-26690
10 6127-11-3152 Bolt,Joint 1 SN: 13444-26690
11 07005-00812 Gasket (K1) 2 SN: 13444-26690
12 6151-11-3121 Nozzle 1 SN: 13444-26690
14 07000-65065 O-Ring (K1) 6 SN: 13444-@
16 07005-01012 Gasket (K1) 12 SN: 13444-@

S6D125-1T — Fuel Injection Pump And Piping(#26691-)

Komatsu S6D125-1T Fuel System Parts diagram ENGINES/s6d125wr/120020a.png
ENGINES/s6d125wr/120020a.png · 27 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 6150-21-6120 Bracket 1 SN: 26691-UP
3 04020-01024 Pin,Dowel (See Fig.0201) 2 SN: 13444-UP
6 01643-31032 Washer 4 SN: 13444-UP
7 01010-30875 Bolt 4 SN: 26691-UP
11 06030-06307 Bearing,Ball 1 SN: 13444-UP
12 04065-08025 Ring,Snap 1 SN: 13444-UP
14 06000-06005 Bearing,Ball 1 SN: 26691-UP
15 6150-71-3150 Seal,Oil (K2) 1 SN: 26691-UP
18 6150-71-1620 Bushing 1 SN: 26691-UP
19 6150-71-1910 Seal (K2) 1 SN: 26691-UP
20 6162-73-1960 Washer,Felt (K2) 1 SN: 26691-UP
25 6110-73-3520 Washer 2 SN: 26691-UP
27 6130-82-5270 Gasket (K2) 1 SN: 26691-UP
27 6130-82-5270 Gasket,(B) 1 SN: 26691-UP
28 04010-00516 Key 1 SN: 26691-UP
29 07000-02125 O-Ring (K2) 1 SN: 13444-UP
31 04010-00519 Key 1 SN: 13444-UP
35 01640-21016 Washer 4 SN: 13444-UP
36 6150-71-5111 Tube,Injection¤ No.1 1 SN: 26691-UP
37 6150-71-5121 Tube,Injection¤ No.2 1 SN: 26691-UP
38 6150-71-5131 Tube,Injection¤ No.3 1 SN: 26691-UP
39 6150-71-5141 Tube,Injection¤ No.4 1 SN: 26691-UP
40 6150-71-5151 Tube,Injection¤ No.5 1 SN: 26691-UP
41 6150-71-5161 Tube,Injection¤ No.6 1 SN: 26691-UP
47 01010-50630 Bolt 4 SN: 13444-UP
51 07005-01412 Gasket,(See Fig.0325) (K2) 3 SN: 26691-UP
54 07005-01412 Gasket (K2) 2 SN: 13444-UP

S6D125-1T — Fuel Injection Pump And Piping(#26691-)

Komatsu S6D125-1T Fuel System Parts diagram ENGINES/s6d125ic/120020a.png
ENGINES/s6d125ic/120020a.png · 27 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 6150-21-6120 Bracket 1 SN: 26691-UP
3 04020-01024 Pin,Dowel (See Fig.0201) 2 SN: 13444-UP
6 01643-31032 Washer 4 SN: 13444-UP
7 01010-30875 Bolt 4 SN: 26691-UP
11 06030-06307 Bearing,Ball 1 SN: 13444-UP
12 04065-08025 Ring,Snap 1 SN: 13444-UP
14 06000-06005 Bearing,Ball 1 SN: 26691-UP
15 6150-71-3150 Seal,Oil (K2) 1 SN: 26691-UP
18 6150-71-1620 Bushing 1 SN: 26691-UP
19 6150-71-1910 Seal (K2) 1 SN: 26691-UP
20 6162-73-1960 Washer,Felt (K2) 1 SN: 26691-UP
25 6110-73-3520 Washer 2 SN: 26691-UP
27 6130-82-5270 Gasket (K2) 1 SN: 26691-UP
27 6130-82-5270 Gasket,(B) 1 SN: 26691-UP
28 04010-00516 Key 1 SN: 26691-UP
29 07000-02125 O-Ring (K2) 1 SN: 13444-UP
31 04010-00519 Key 1 SN: 13444-UP
35 01640-21016 Washer 4 SN: 13444-UP
36 6150-71-5111 Tube,Injection, No.1 1 SN: 26691-UP
37 6150-71-5121 Tube,Injection, No.2 1 SN: 26691-UP
38 6150-71-5131 Tube,Injection, No.3 1 SN: 26691-UP
39 6150-71-5141 Tube,Injection, No.4 1 SN: 26691-UP
40 6150-71-5151 Tube,Injection, No.5 1 SN: 26691-UP
41 6150-71-5161 Tube,Injection, No.6 1 SN: 26691-UP
47 01010-50630 Bolt 4 SN: 13444-UP
51 07005-01412 Gasket,(See Fig.0325) (K2) 3 SN: 26691-UP
54 07005-01412 Gasket (K2) 2 SN: 13444-UP

S6D125-1T — Fuel Injection Pump (Pump) (With Stop Lever) (For Sweden)(#13444-26690)

Komatsu S6D125-1T Fuel System Parts diagram ENGINES/s6d125ic/120110a.png
ENGINES/s6d125ic/120110a.png · 24 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
6 DK134143-5920 Plunger Ass'Y 6 SN: 13444-26690
6 DK134151-2220 Plunger Ass'Y 1 SN: 13444-26690
8 DK134116-4720 Holder,Delivery Valve 1 SN: 13444-26690
9 DK029632-2070 O-Ring 1 SN: 13444-26690
11 DK134112-2000 Spring 1 SN: 13444-26690
12 DK134115-0100 Gasket 1 SN: 13444-26690
13 DK029302-0140 Washer 1 SN: 13444-26690
15 DK029602-0010 Ring,Snap 1 SN: 13444-26690
17 DK029632-9030 O-Ring 1 SN: 13444-26690
18 DK029631-5020 O-Ring 2 SN: 13444-26690
19 DK139400-0900 Shim, 0.500Mm - SN: 13444-26690
19 DK139400-1000 Shim, 0.525Mm - SN: 13444-26690
19 DK139400-1100 Shim, 0.550Mm - SN: 13444-26690
19 DK139400-2100 Shim, 0.800Mm - SN: 13444-26690
19 DK139400-2900 Shim, 1.000Mm - SN: 13444-26690
26 DK134241-0021 Sleeve,Control 6 SN: 13444-26690
27 DK134216-0000 Seat,Spring 6 SN: 13444-26690
30 DK134200-0020 Tappet Ass'Y 6 SN: 13444-26690
35 DK016650-2230 Bearing 1 SN: 13444-26690
41 DK016650-2230 Bearing 1 SN: 13444-26690
43 DK139629-0000 Seal,Oil 1 SN: 13444-26690
45 DK029635-5010 O-Ring 1 SN: 13444-26690
46 DK134563-0900 Sleeve 1 SN: 13444-26690
51 DK026524-2940 Gasket 1 SN: 13444-26690

S6D125-1T — Fuel Injection Pump (Pump)(#13444-26690)

Komatsu S6D125-1T Fuel System Parts diagram ENGINES/s6d125wr/120090a.png
ENGINES/s6d125wr/120090a.png · 23 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
5 DK134143-5920 Plunger Ass'Y 6 SN: 13444-26690
5 DK134151-2220 Plunger Ass'Y 1 SN: 13444-26690
7 DK134116-4720 Holder 1 SN: 13444-26690
8 DK029632-2070 O-Ring 1 SN: 13444-26690
10 DK134112-2000 Spring 1 SN: 13444-26690
11 DK134115-0100 Gasket 1 SN: 13444-26690
12 DK029302-0140 Washer 1 SN: 13444-26690
13 DK029632-9030 O-Ring 1 SN: 13444-26690
14 DK029631-5020 O-Ring 2 SN: 13444-26690
15 DK139400-0900 Shim¤ 0.500Mm - SN: 13444-26690
15 DK139400-1000 Shim¤ 0.525Mm - SN: 13444-26690
15 DK139400-1100 Shim¤ 0.550Mm - SN: 13444-26690
15 DK139400-2100 Shim¤ 0.800Mm - SN: 13444-26690
15 DK139400-2900 Shim¤ 1.000Mm - SN: 13444-26690
22 DK134241-0021 Sleeve,Control 6 SN: 13444-26690
23 DK134216-0000 Seat,Spring 6 SN: 13444-26690
26 DK134200-0020 Tappet Ass'Y 6 SN: 13444-26690
27 DK016650-2230 Bearing 1 SN: 13444-26690
33 DK016650-2230 Bearing 1 SN: 13444-26690
35 DK139629-0000 Seal,Oil 1 SN: 13444-26690
37 DK029635-5010 O-Ring 1 SN: 13444-26690
38 DK134563-0900 Sleeve 1 SN: 13444-26690
43 DK026524-2940 Gasket 1 SN: 13444-26690

Shop the Komatsu S6D125-1T Fuel System Parts collection

S6D125-1T 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.

Related parent hubs

Featured parts in this hub

This hub includes 36 linked product listings. Use the collection link above to browse the full set.

Parts-book verification before ordering

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.