MUFFLER AS 4P0660 - Caterpillar



4P0660 MUFFLER AS Caterpillar parts D5B, D5E
Rating:
26
Alternative (cross code) number:
CA4P0660
4P-0660
4P0660
Caterpillar 4P0660 MUFFLER AS
Weight: 10 pounds 4 kg.
Information:
BODY DIAMETER/WIDTH  203.2  mm
BODY LENGTH  393.7  mm
INLET ID  76.66  mm
OUTLET OD  79.5  mm
OVAL HEIGHT  76.2  mm
OVERALL LENGTH  533.4  mm
PROTECTIVE SHIELD 
WITH EJECTOR 
WITH MOUNTING BRACKET 
WITH OUTER WRAP 

Buy MUFFLER AS 4P0660 Caterpillar genuine, new aftermarket tractor parts with delivery
TRACK-TYPE TRACTOR,

Related part:
4P0660  MUFFLER-AS-YM  2982787  CL

Compare Prices:

As an associate, we earn commssions on qualifying purchases through the links below
$250.99

08 Dec 2025

RU: Aikeny
#US Replace Parts 4P0660 7S8301 Muffler for Caterpillar for CAT Models D5 12E 120 926 (AikePart1025-5375)
Generic NOTE: It's a replacement parts, but it's not genujne || Model number is just for reference, Product will not work for every model. || Due to storage, there may be some minor scratches. || Part Number: for MUK40-0044 4P0660 7S8301 7s8301 7s8301-A || Model: for D5 12E 120 926
$92.99

08 Dec 2025
11.9[5.36] Pounds
US: RAParts Inc.
RAParts 4P0660 7S8301 Muffler Fits Caterpillar D5 12E 120 926
Reliable Aftermarket Parts One New Aftermarket Replacement Muffler That Fits Caterpillar Models. Replaces Part Number: Muk40-00 || OEM Numbers Are Provided for Reference Only. Please Verify Fit Prior To Ordering. || Please Note: Some Listings Use Stock Images for Reference and May Differ from the Actual Product. || This Aftermarket Part Is Made to Meet or Exceed Manufacturer (OEM) Specifications. || All OEM part numbers and logos are to be used for identification purposes only.
$92.99

04 Nov 2025
11.9[5.36] Pounds
US: RAParts Inc.
Stevens Lake Parts One New Muffler Fits CAT, Fits Caterpillar 120, 12E, 926 Models Interchangeable with 2Y3141, 2Y3141-A, 4P0660, 7S8301, 7S8301-A, 7s-8301, 7s-8301-A, 7s8301, 7s8301-A, MUK40-0044
Stevens Lake Parts One New Aftermarket Replacement Muffler That || This Is An Aftermarket Replacement Part Made To Meet Or Exceed OEM Specifications. || OEM Numbers Are Provided for Reference Only. Please Verify Fit Prior To Ordering. || Please Note: Some Listings Use Stock Images for Reference and May Differ from the Actual Product. || This Aftermarket Part Is Made to Meet or Exceed Manufacturer (OEM) Specifications.
Number on catalog scheme: 2
  For full view, you need register

Compatible equipment models: 4P0660:

TRACK-TYPE TRACTOR  D5B   D5E   Caterpillar

Caterpillar parts catalog:

Caterpillar parts catalog
D5E Track-Type Tractor 9RG00001-UP (MACHINE) POWERED BY 3306 Engine


Information:

System Operation Description:The probable causes of high fuel pressure
Fuel pressure sensors
Fuel lines
Fuel transfer pump
Fuel return pressure regulatorUse this procedure in order to troubleshoot high fuel pressure. Use this procedure if the following event code is active. Refer to Troubleshooting, "Event Codes" for information about event codes. For information on the engine monitoring system, refer to Troubleshooting, "Engine Monitoring System".
Table 1
Diagnostic Trouble Codes    
J1939 Code     CDL Code     Code Description     Comments    
94-16     E1218 (2)     High Unfiltered Fuel Pressure     The code is logged.
The fuel pressure is above the trip point pressure.    
Table 2
Associated Diagnostic Trouble Codes    
J1939 Code     CDL Code    
5584     E390    
Table 3
Troubleshooting Test Steps    Values    Results    
1. Determine the Code
A. Connect Cat® Electronic Technician (ET) to the service tool connector. Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Download the "Warranty Report" from the engine Electronic Control Module (ECM) before performing any troubleshooting or clearing diagnostic trouble codes.
C. Determine if a diagnostic trouble code is present.
   
Codes    
Result: An E1218 (2) code is present.
Proceed to Test Step 2.
Result: A code other than a E1218 (2) code is present.
Repair: Troubleshoot the code. Refer to the proper troubleshooting procedure.
STOP
   
Illustration 1 g03779504
(1) Fuel temperature sensor (2) Fuel pressure sensor "A" (3) Fuel pressure sensor "B" (4) Fuel filter base
Table 4
Troubleshooting Test Steps    Values    Results    
2. Check Fuel Pressure Sensor "A"
A. Record the unfilte

Parts muffler Caterpillar catalog:

3K3124 MUFFLER-TRAP
12F, 3114, 3208, 561C, 583H, 916, 920, 930, 941, D4D, D4E, D5E, D6C, IT28
4N8941 MUFFLER AS
140G, 14G, D6C, D6D, D6E SR
2Y6555 MUFFLER AS
D6D, D6D SR, D6E SR
1125088 MUFFLER AS
D6H, D6H XL, D6H XR, D6R
7E3683 MUFFLER AS
D6H, D6H XL, D6H XR
2W3597 MUFFLER AS
D4H, D4H XL, D4HTSK III, D5H, D5H XL, D5HTSK II
1649633 MUFFLER AS
578, 583R, D8N, D8R, D8R II
8S0905 MUFFLER AS
14E, 627, 815, 966C, D4E SR
1077473 MUFFLER AS
939, 939C, D5C III
1260734 MUFFLER AS
933, 933C, D3C III, D4C III