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Home > Products > Caterpillar Fuel Injector > Caterpillar Fuel Injector 20R-1265 20R-1266 20R-1267 20R-1268 20R-1269 20R-1270 20R1270 20R-1275 20R1275 20R-1276 20R-1277 20R-1278 20R-1280

Caterpillar Fuel Injector 20R-1265 20R-1266 20R-1267 20R-1268 20R-1269 20R-1270 20R1270 20R-1275 20R1275 20R-1276 20R-1277 20R-1278 20R-1280

Name: Caterpillar Fuel Injector 20R-1265 20R-1266 20R-1267 20R-1268 20R-1269 20R-1270 20R1270 20R-1275 20R1275 20R-1276 20R-1277 20R-1278 20R-1280
Brand: HK REAL STRENGTH TRADE LIMITED
SKU: 20R-1275
Availability: InStock

Product Details

Place of Origin: USA

Brand Name: Caterpillar

Certification: ISO +86 13434566685

Model Number: 20R-1275

Payment & Shipping Terms

Minimum Order Quantity: 1 PCS

Packaging Details: original packing

Payment Terms: T/T, Western Union,

Supply Ability: 10000

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Product Details

Product Description

Product Details

Highlight:

Contact:	+86 13434566685	Part Number:	20R-1275
Other No:	20R-1280	Product Name:	CAT INJECTOR
Warranty:	12 Months	Packing:	Original Package
Stock:	In Stock	Size:	Original Size
MOQ:	1 PC	Delivery Time:	3-7 Work Days
Car:	Caterpillar C7.1 Engine

Contact:	+86 13434566685
Part Number:	20R-1275
Other No:	20R-1280
Product Name:	CAT INJECTOR
Warranty:	12 Months
Packing:	Original Package
Stock:	In Stock
Size:	Original Size
MOQ:	1 PC
Delivery Time:	3-7 Work Days
Car:	Caterpillar C7.1 Engine

Product Description

Caterpillar Fuel Injector 20R-1265 20R-1266 20R-1267 20R-1268 20R-1269 20R-1270 20R1270 20R-1275 20R1275 20R-1276 20R-1277 20R-1278 20R-1280

Detailed Product Datasheet:

Parts Number	20R-1275
Part Name	20R-1280
Payment	L/C , T/T
Packing	Original / Netural

ccat 20R-1275 Fuel Injector Product Description

The ccat 20R-1275 fuel injector maintains all original factory specificcations and is designed for reliable performance in demanding appliccations.

Table 1: Core Part & Reference Information

[ccat - 3512B/20R-1275 - 20R-1275] This table provides critical identificcation and cross-reference information.

Primary OEM Part Number	20R-1275
Brand	ccat Injector
Applicable Engine Models	ccat Generator Set
Cross-References	10R-1259, 20R-0758, 10R-1256, 10R-1258

Table 2: Installation Issues & Repair Solutions

[ccat - 3512B/20R-1275 - 20R-1275] Proper installation is critical for injector performance. This table covers common issues and solutions.

Primary Appliccation	ccat 3512B/20R-1275 Series Diesel Engines
Common Installation Issue	Incorrect mounting torque causes fuel leakage
Repair Solution	Use calibrated torque wrench and follow OEM sequence
Typical Failure Symptom	Hard starting, rough idle, reduced power or fuel in oil
Critical Pre-Install Check	Verify fuel supply pressure and bleed all air from system
Professional Installation Tip	Always replace all seals, gaskets, and O-rings with new

Table 3: Technical Specificcations & Wear Patterns

[ccat - 3512B/20R-1275 - 20R-1275] Understanding wear patterns helps determine when repair or replacement is needed.

Nozzle Specificcation	Precision drilled orifices, exact OEM flow calibrated
Common Wear Pattern	Internal valve erosion causes pressure drop and poor atomization
Repair Indiccator	Smoke emission increase > 15% or fuel consumption rise > 10%
Pressure Test Standard	Manufacturer specified pop pressure ± 5 bar tolerance
Leakage Test Standard	No external or internal leakage during 30 second hold
Spray Pattern Requirement	Uniform conical pattern, no drips or distorted spray

Table 4: Performance Problems & Solutions

[ccat - 3512B/20R-1275 - 20R-1275] Common injector performance issues and proven solutions for troubleshooting.

Hard Starting Condition	Sticking needle valve or low pressure → Clean or replace injector
Black Smoke Under Load	Incorrect fuel delivery or timing → Recalibrate on test bench
Engine Misfire Condition	Clogged nozzle holes → Ultrasonic cleaning or replacement
Fuel Dilution In Oil	Leaking internal seal → Replace complete seal set and retest
Excessive Noise Issue	Worn components causing pressure surge → Full injector rebuild
Power Loss At High RPM	Reduced fuel flow from wear → Replace injector or rebuild

Table 5: Repair Standards & Warranty Information

[ccat - 3512B/20R-1275 - 20R-1275] Quality standards, repair procedures, and warranty requirements for injector service.

OEM Repair Standard	Must meet original manufacturer service specificcation
Standard Rebuild Process	Disassemble → Ultrasonic clean → Replace wear parts → Calibrate
Warranty Requirement	Serial number, date, and mileage/hours must be documented
Core Return Condition	Injector body must not be cracked, bent, or damaged
Post-Repair Testing	Multi-point flow test to verify performance across range
Quality Inspection	100% pop pressure, leakage, and spray pattern verificcation

Table 6: Maintenance Schedule & Troubleshooting Guide

[ccat - 3512B/20R-1275 - 20R-1275] Recommended maintenance practices to maximize injector service life.

Recommended Service Interval	Inspect and test every 2000-3000 operating hours
Preventive Maintenance Tip	Use OEM fuel filters and quality fuel to maximize service life
Emergency Troubleshooting	Perform cylinder cutout test to isolate faulty injector
Common DIY Mistake	Using non-OEM seals causes fuel leakage and engine damage
Professional Diagnosis Tool	Manufacturer diagnostic software for injector performance data
Long-Term Storage Prep	Preserve in clean diesel fuel with corrosion inhibitor coating

Summary

[ccat - 3512B/20R-1275 - 20R-1275] The ccat 20R-1275 fuel injector represents OEM quality and reliability. When performing maintenance or repair, always follow manufacturer specificcations, use genuine replacement parts, and employ qualified technicians for best results.

3512B
0R-3539	0R-8619	0R-9944	10R-1275	10R-1276	10R-1278	10R-1279	10R-1280	10R-1288
10R-1290	10R-1303	10R-2826	10R-2827	10R-3255	10R-7238	10R-8795	10R-9617	11R-0282
11R-0283	11R-0680	150-4453	162-8809	162-8813	192-2817	204-2067	20R-0848	20R-0849
20R-0850	20R-1262	20R-1264	20R-1265	20R-1266	20R-1267	20R-1268	20R-1269	20R-1270
20R-1272	20R-1275	20R-1276	20R-1277	20R-1278	20R-1280	20R-1283	20R-2296	20R-3247
20R-3477	20R-3483	20R3483	211-3024	229-1631	230-3255	230-9457	245-8272	246-1854
249-0746	250-1302	250-1303	250-1304	250-1306	250-1308	250-1311	250-1312	250-1313
250-1314	266-4387	2OR-1276	359-5469	373-4087	375-4106	376-0509	379-0509	386-1752
386-1753	386-1754	386-1758	386-1760	386-1766	386-1767	386-1768	386-1769	386-1771
386-1774	386-1776	386~1767	389-1969	392-0200	392-0201	392-0202	392-0203	392-0204
392-0205	392-0206	392-0208	392-0211	392-0212	392-0213	392-0214	392-0215	392-0216
392-0217	392-0219	392-0224	392-0225	392-0226	392-2000	392-6214	3920214	437-7547
OR9-539

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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Detailed Product Picture

Caterpillar Fuel Injector 20R-1265 20R-1266 20R-1267 20R-1268 20R-1269 20R-1270 20R1270 20R-1275 20R1275 20R-1276 20R-1277 20R-1278 20R-1280 0

mpany Information:

Caterpillar Fuel Injector 20R-1265 20R-1266 20R-1267 20R-1268 20R-1269 20R-1270 20R1270 20R-1275 20R1275 20R-1276 20R-1277 20R-1278 20R-1280 3

Caterpillar Fuel Injector 20R-1265 20R-1266 20R-1267 20R-1268 20R-1269 20R-1270 20R1270 20R-1275 20R1275 20R-1276 20R-1277 20R-1278 20R-1280 4

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Caterpillar Fuel Injector 20R-1265 20R-1266 20R-1267 20R-1268 20R-1269 20R-1270 20R1270 20R-1275 20R1275 20R-1276 20R-1277 20R-1278 20R-1280

Caterpillar Fuel Injector 20R-1265 20R-1266 20R-1267 20R-1268 20R-1269 20R-1270 20R1270 20R-1275 20R1275 20R-1276 20R-1277 20R-1278 20R-1280

20R-1275

Table 1: Core Part & Reference Information

Table 2: Installation Issues & Repair Solutions

Table 3: Technical Specificcations & Wear Patterns

Table 4: Performance Problems & Solutions

Table 5: Repair Standards & Warranty Information

Table 6: Maintenance Schedule & Troubleshooting Guide

Summary

Diesel Injector Assembly,

Common Rail Fuel Injection,

Cummins Diesel Injector

BOSCH Diesel Injector

DENSO Diesel Injector

Caterpillar Fuel Injector

VOLVO Diesel Injector

DELPHI Fuel injector

Diesel Engine Fuel Pump

TOYOTA Fuel Injector

Perkins Diesel Injector

Diesel Fuel Injector

Diesel Injector Nozzle

Injector Control Valve

Injector Repair Kit