Diesel Engine Fuel Injector 2225965 183-0691 222-5965 1830691 188-1320 1881320 for More Series in Good Testing and Providing
| Product Namber: | CAT INJECTOR | OE NO: | 183-0691 |
| OE NO1: | 188-1320 | Engine: | CAT 3116 Engine |
| Car Model: | CAT | Warranty: | 12 Months |
| Quality: | Brand New Genuine | SIZE: | Origional Standard |
| Type: | Diesel Auto Parts | Application: | Fuel Injection System |
| Material: | High Speed Steel | PAYMENT TEF: | Full Advance Payment |
| packing: | Original And Neutral Packing | MOQ: | 1РСS |
Caterpillar 3126 / 3126B HEUI Fuel Injector 183-0691
Professional Product Overview
The 183-0691 fuel injector is a diesel fuel-injection component cataloged for Caterpillar 3126-series applications and is widely cross-referenced in the aftermarket with 178-6342. Caterpillar's current parts catalog identifies 178-6342 as a Hydraulic Electronic Unit Fuel Injector, confirming the HEUI-type application rather than a conventional common-rail injector.
The injector is designed for electronically controlled, hydraulically actuated fuel delivery. In a HEUI system, engine oil pressure supplies the hydraulic energy required to generate injection pressure while the electronic engine control system determines injection timing and duration.
This architecture allows fuel delivery to be controlled independently of conventional mechanically driven injection-pump timing and provides precise injection control across different engine operating conditions.
The 183-0691 / 178-6342 family is associated with Caterpillar 3126 and 3126B industrial and heavy-equipment applications. Aftermarket catalogs specifically cross-list 183-0691, 1830691, 178-6342 and 1786342, while broader catalogs may additionally associate 128-6601, 177-4754, 178-0199, 198-6605 and certain Reman numbers with related 3126 injector families.
Important fitment policy: injector selection must ultimately be confirmed using the Caterpillar engine serial number, machine serial number, arrangement number and/or the number physically marked on the removed injector. A cross-reference number appearing in an aftermarket database does not automatically mean every injector calibration is interchangeable across every 3126/3126B/3126E application.
Product Information Database
| Parameter | Product Information |
| Product Name | Diesel Fuel Injector / HEUI Unit Injector |
| Primary Reference Number | 183-0691 |
| Compact Number | 1830691 |
| Strong Cross Reference | 178-6342 |
| Compact Cross Reference | 1786342 |
| Additional Catalog Reference | 128-6601 / 1286601 |
| Additional Catalog Reference | 177-4754 / 1774754 |
| Related Reman Catalog Reference | 10R-0782 / 10R0782 |
| Related 3126 Injector Reference | 178-0199 / 1780199 |
| Related Catalog Reference | 198-6605 / 1986605 |
| Engine Family | Caterpillar 3126 Series |
| Main Engine Applications | 3126 / 3126B |
| Fuel System Type | HEUI – Hydraulic Electronic Unit Injection |
| Injector Type | Electronically controlled hydraulic unit injector |
| Fuel | Diesel |
| Application | Heavy-duty diesel engine fuel injection |
| Equipment Category | Construction / Industrial / Earthmoving / Pipeline |
| Installation Position | Engine cylinder head |
| Injection Control | Electronic |
| Hydraulic Actuation | High-pressure engine oil |
| Fuel Metering | Electronically controlled |
| Product Category | Engine Parts / Fuel System / Fuel Injector |
| Condition Options | New / New Aftermarket / Remanufactured depending on seller SKU |
| Sales Unit | 1 Piece |
| Engine Configuration | Inline six-cylinder applications within the relevant 3126 family |
| Fitment Verification | Engine S/N + Machine S/N + Original Injector Number |
| Recommended Buyer Data | Engine model, ESN, machine model, machine S/N and old injector number |
| 3126 | ||||||||
| 0R-8633 | 1OR-0781 | 1OR-1267 | 1OR-9239 | 2C0273 | 4CR0197 | 10R-0781 | 10R-0782 | 10R-1257 |
| 10R-1262 | 10R-1306 | 10R-9237 | 10R-9239 | 10R-9348 | 20R-0758 | 20R-8758 | 111-7916 | 116-7150 |
| 128-6601 | 131-7150 | 135-5459 | 138-8756 | 153-5938 | 155-1819 | 155-8723 | 156-8895 | 162-0218 |
| 162-9610 | 169-7408 | 169-7410 | 169-7411 | 171-9704 | 171-9710 | 173-4059 | 173-9267 | 173-9268 |
| 173-9272 | 173-9379 | 174-7526 | 174-7527 | 177-4752 | 177-4753 | 177-4754 | 178-0199 | 178-6342 |
| 178-6432 | 179-6020 | 180-7431 | 183-6797 | 188-1320 | 196-4229 | 198-4752 | 198-6605 | 198-6877 |
| 218-4109 | 222-5963 | 222-5965 | 222-5966 | 222-5967 | 222-5968 | 222-5972 | 232-1168 | 232-1170 |
| 232-1171 | 232-1173 | 232-1183 | 495-0327 | OR-9350 | ||||
ccaterpillar Fuel Injector Series - Engine - Equipment Appliccccation Table
| Fuel Injector / Engine Series | Common Injection Technology | Corresponding Engine Platform | Common ccccat Models / Equipment Platforms |
| 3116 Series | Mechanical Injection / Early Electronic Platform | 3116, 3116T, 3116TA, 3116DIT | M318, M320 Wheel Excavators; 135H Motor Grader; D6M Dozer |
| 3126 / 3126B Series | HEUI | 3126, 3126B | 120H Motor Grader; 950G Series II Wheel Loader; 950G Platform |
| 3126E Series | HEUI | 3126E | Commonly used in medium-duty construction and industrial platforms similar to the 3126 appliccccation range |
| C6.4 Series | ACERT Injection Platform | C6.4 ACERT | 320D / 320D L; 323D L / LN; 320D LRR; 320D FM |
| C6.6 Series | ACERT Injection Platform | C6.6 ACERT | 320D / 320D L (C6.6 versions); 320E LN; 323E LN |
| C7 Series | HEUI | C7, C7 ACERT | 120K Motor Grader; 950H Wheel Loader |
| C7.1 Series | Common Rail / Later Electronic Injection | C7.1, C7.1 ACERT | 320D2 / D2 L, 326D2, 330D2 Excavators; 950K, 950, 962, 930M Wheel Loaders; Generator Sets |
| C9 Series | HEUI-B | C9, C9 ACERT | 330D / 330D L / 330D MH; construction and industrial platforms |
| C10 Series | Electronic Unit Injection Family | C10 | 140H, 143H, 160H, 163H, 14H, 16H Motor Graders; 814F Wheel Dozer; 815F Compactor; 816F Landfill Compactor; 966G II, 972G II Wheel Loaders; D7R II Dozer; 725 / 730 Articulated Trucks; R1600G, R1700G LHD; W345B II Wheel Excavator; 345B / 365B Excavators |
| C12 Series | Electronic Unit Injection | C12, C12 Marine | Widely used across 140H, 143H, 160H, 163H, 14H, 16H; 966G II, 972G II; D7R II; 725 / 730; W345B II; 345B / 365B; also widely used in marine appliccccations |
| C13 Series | MEUI | C13, C13 ACERT | 345D L Excavator; 730C EJ Articulated Dump Truck; Generator Sets; Industrial Power Platforms |
| C15 Series | MEUI | C15, C15 ACERT | 770 Off-Highway Truck; 374D L / 374F L Excavators; 365C Demolition Excavator; R3000H LHD; Industrial Power and Generator Sets |
| 3406E Series | EUI | 3406E | AD30 Underground Mining Truck; 16H Motor Grader; 824G Series II Wheel Dozer; 826G Series II Landfill Compactor |
| C18 Series | EUI / Later Electronic Injection Platform | C18, C18 ACERT | Generator Sets; Marine Appliccccations; Large Industrial and Mining Platforms |
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4. 3-12 months warrantry,depends on what parts.
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