Caterpillar

Select Equipment

Select equipment to view parts that fit your equipment.
No suggested results. Try again.
Register
Caterpillar

Select Equipment

Add Equipment

To find the parts that fit.To find the parts that fit.
Search for part number or name
HomeEngineBelts, Pulleys, & Vibration DampersEngine Pulleys115-4237: 1-Groove Idler Pulley
Home
EngineBelts, Pulleys, & Vibration DampersEngine Pulleys115-4237: 1-Groove Idler Pulley
115-4237: 1-Groove Idler Pulley

Cat® 1-Groove Gray Iron Idler Pulley

Brand: Cat

Product Images
115-4237: 1-Groove Idler Pulley
115-4237: 1-Groove Idler Pulley
115-4237: 1-Groove Idler Pulley
115-4237: 1-Groove Idler Pulley
115-4237: 1-Groove Idler Pulley

Cat® 1-Groove Gray Iron Idler Pulley

Brand: Cat

Check Price
Check Price
Login to view your customer price
Warranty Information
Return Policy
Description
Description

Description:
Cat idler pulleys are designed and tested to deliver the quality you expect from your equipment. Cat idler pulleys are responsible for guiding and tensioning the engine belt drives. They are also used to reduce belt vibrations by supporting a segment of belt prone to vibrations.

Attributes:
• Iron idler pulley
• Single grooved idler pulley

Application:
Cat idler pulleys are used to support engine belt drives around the various engine components, such as the alternator, fan and air compressor. Consult your owner’s manual or contact your local Cat Dealer for more information.

Warning:This product can expose you to chemicals including Cadmium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Description:
Cat idler pulleys are designed and tested to deliver the quality you expect from your equipment. Cat idler pulleys are responsible for guiding and tensioning the engine belt drives. They are also used to reduce belt vibrations by supporting a segment of belt prone to vibrations.

Attributes:
• Iron idler pulley
• Single grooved idler pulley

Application:
Cat idler pulleys are used to support engine belt drives around the various engine components, such as the alternator, fan and air compressor. Consult your owner’s manual or contact your local Cat Dealer for more information.

Warning:This product can expose you to chemicals including Cadmium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications
Specifications
Units of MeasureUSMetric
Material Description: Iron
Outside Diameter (mm): 72
Width (mm): 83.8
Height (mm): 20
Material: Alloy Zinc,Gray (Flake) Iron,Carbon Steel
Length (mm): 83.8
Height (in): 0.8
Outside Diameter (in): 2.8
Units of MeasureUSMetric
Material Description: Iron
Outside Diameter (mm): 72
Width (mm): 83.8
View More
Compatible Models
Compatible Models
Pumper
SPP101
Generator
LC51XXSR4B
Truck Engine
C7C9C-10C-1231163126B31263126EC11C13
Integrated Toolcarrier
IT62GIT38GIT38FIT28GIT28F
Wheel Harvester
550570580
Motor Grader
120H135H135H NA120H ES120H NA
Track-Type Tractor
DEUCE30/30D5MD6M
Wheel Skidder
535B525B
Knuckleboom Loader
539
Asphalt Paver
AP-655CBG-2455CAP-1055BBG-240CAP-900BAP-1000BG-2255CAP-1000BAP-755AP-1050BBG-260CBG-245C
Marine Engine
31163126
Pipelayer
561M
Excavator
322B L325-A LN320-A L325-A FM L325B L320-A S320-A N325-A322B LN322N325 LN322-A LN325-A L322 LN322C320-A322 L320N325B LN320B325 L320B S320B N320B L322C FMM318320 L322-A L322-A NM320
Vibratory Compactor
CP-533DCS-433ECB-634CS-531DCS-583CCS-583DCP-433ECS-423ECB-634CCS-573CCS-573DCS-533DCP-563DCS-563CCS-563DCP-563C
Petroleum Package
TH31-C9P
Power Package
C7
Wheel Tractor
613C II
Generator Set
C9 GEN SETXQP300C9D250GCD300GC
Engine
3126E
Track Loader
963B963C953C
Petroleum Engine
C9C7
Soil Compactor
815F II
Backhoe Loader
446D446B446
Cold Planer
PM-102
Wheel Dozer
814F II
Landfill Compactor
816F II
Compact Wheel Loader
910G
Wheel Loader
928G960F950G950F962G928F938G938F950F II
Telehandler
RT80RT100
Forwarder
574
Gen Set Engine
POWER SYS3126B31163114
Engine - Machine
3116C9
Challenger
553545
Rotary/Track Drills
MD5075MD5075C
Wheeled Excavator
M325B
Industrial Engine
31263126B3116C7C9C-9
Wheel Scraper
613C
View More
Pumper
SPP101
Warranty Information
Return Policy
Parts diagram for 115-4237
View Detailed Parts Diagrams
Add Your Equipment
Frequently bought together
115-4237115-4237
156-1871156-1871
036-6775036-6775
View All Parts
Frequently bought together
115-4237
156-1871
036-6775
100-6267
9L-4896
3K-0360
DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 115-4237
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 115-4237

Description:
Cat idler pulleys are designed and tested to deliver the quality you expect from your equipment. Cat idler pulleys are responsible for guiding and tensioning the engine belt drives. They are also used to reduce belt vibrations by supporting a segment of belt prone to vibrations.

Attributes:
• Iron idler pulley
• Single grooved idler pulley

Application:
Cat idler pulleys are used to support engine belt drives around the various engine components, such as the alternator, fan and air compressor. Consult your owner’s manual or contact your local Cat Dealer for more information.

View More
Warning:This product can expose you to chemicals including Cadmium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 115-4237

Units of Measure

USMetric
Material Description: Iron
Outside Diameter (mm): 72
Width (mm): 83.8
Height (mm): 20
Material: Alloy Zinc,Gray (Flake) Iron,Carbon Steel
Length (mm): 83.8
Height (in): 0.8
Outside Diameter (in): 2.8
View More
Compatible Models for part number 115-4237

PUMPER

SPP101

GENERATOR

LC51XX SR4B

TRUCK ENGINE

C7 C9 C-10 C-12 3116 3126B 3126 3126E C11 C13

INTEGRATED TOOLCARRIER

IT62G IT38G IT38F IT28G IT28F

WHEEL HARVESTER

550 570 580

MOTOR GRADER

120H 135H 135H NA 120H ES 120H NA

TRACK-TYPE TRACTOR

DEUCE 30/30 D5M D6M

WHEEL SKIDDER

535B 525B

KNUCKLEBOOM LOADER

539

ASPHALT PAVER

AP-655C BG-2455C AP-1055B BG-240C AP-900B AP-1000 BG-2255C AP-1000B AP-755 AP-1050B BG-260C BG-245C

MARINE ENGINE

3116 3126

PIPELAYER

561M

EXCAVATOR

322B L 325-A LN 320-A L 325-A FM L 325B L 320-A S 320-A N 325-A 322B LN 322N 325 LN 322-A LN 325-A L 322 LN 322C 320-A 322 L 320N 325B LN 320B 325 L 320B S 320B N 320B L 322C FM M318 320 L 322-A L 322-A N M320

VIBRATORY COMPACTOR

CP-533D CS-433E CB-634 CS-531D CS-583C CS-583D CP-433E CS-423E CB-634C CS-573C CS-573D CS-533D CP-563D CS-563C CS-563D CP-563C

PETROLEUM PACKAGE

TH31-C9P

POWER PACKAGE

C7

WHEEL TRACTOR

613C II

GENERATOR SET

C9 GEN SET XQP300 C9 D250GC D300GC

ENGINE

3126E

TRACK LOADER

963B 963C 953C

PETROLEUM ENGINE

C9 C7

SOIL COMPACTOR

815F II

BACKHOE LOADER

446D 446B 446

COLD PLANER

PM-102

WHEEL DOZER

814F II

LANDFILL COMPACTOR

816F II

COMPACT WHEEL LOADER

910G

WHEEL LOADER

928G 960F 950G 950F 962G 928F 938G 938F 950F II

TELEHANDLER

RT80 RT100

FORWARDER

574

GEN SET ENGINE

POWER SYS 3126B 3116 3114

ENGINE - MACHINE

3116 C9

CHALLENGER

55 35 45

ROTARY/TRACK DRILLS

MD5075 MD5075C

WHEELED EXCAVATOR

M325B

INDUSTRIAL ENGINE

3126 3126B 3116 C7 C9 C-9

WHEEL SCRAPER

613C

View More
KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced

Find Parts
Support
My Account
Cat Social
United States EnglishالعربيةবাংলাБългарски简体中文繁體中文ČeštinaDanskNederlandsSuomiFrançaisDeutschΕλληνικάעבריתहिन्दीBahasa IndonesiaItaliano日本語ಕನ್ನಡ한국어NorskPolskiPortuguês do BrasilRomânăРусскийEspañol (Latino)Svenskaதமிழ்తెలుగుไทยTürkçeУкраїнськаTiếng Việt
About Cat
Site Map
Cookie Settings
Do Not Sell or Share My Personal Information
Legal Terms
My Marketing Preferences
Privacy

Caterpillar© 2025 All Rights Reserved

Find Parts
    Support
      My Account
        Cat Social
          Language
            CAT Sites
              About Cat
              Site Map
              Cookie Settings
              Do Not Sell or Share My Personal Information
              Legal Terms
              My Marketing Preferences
              Privacy

              Caterpillar© 2025 All Rights Reserved

              Chat with an expert