MUFFLER 2666250 - Caterpillar

2666250 MUFFLER Caterpillar parts 320C, 321C

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Alternative (cross code) number:
CA2666250
266-6250
2666250

Weight: 41 pounds 18 kg.

Information:

BODY DIAMETER/WIDTH 310 mm

BODY LENGTH 700 mm

INLET ID 69.2 mm

OUTLET OD 94 mm

OVAL HEIGHT 0 mm

OVERALL LENGTH 700 mm

PROTECTIVE SHIELD N

WITH EJECTOR N

WITH MOUNTING BRACKET N

WITH OUTER WRAP N

Buy MUFFLER 2666250 Caterpillar genuine, new aftermarket tractor parts with delivery
EXCAVATOR,

You can buy:

Muffler 266-6250 for Caterpillar CAT Engine 3066 Excavator 318C 319C 320C 321C E320C

US$249.00

28 May 2025

FridayParts

Muffler 266-6250 for Caterpillar CAT Engine 3066 Excavator 318C 319C 320C 321C E320C

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266-6250 2666250 Muffler Fits For Caterpillar CAT E320C E321C E319C E318C E319C C6.4

$298.88

08 Oct 2025

US: mottrolusa

266-6250 2666250 Muffler Fits For Caterpillar CAT E320C E321C E319C E318C E319C C6.4
MOTTROL Description: 266-6250,2666250 || Application Model: Muffler Fits For Cat E320C E318C E319C C6.4 || Engine Parts Can Be Supplied Including: Liner Kit, Liner, Piston, Piston Ring, Main Bearing, Con Rod Bearing, Gasket Kit, Crankshaft, Camshaft, Cylinder Block, Cylinder Head, Plunger, Delivery Valve, Nozzle, Oil Pump, Connectiong Rod, Feed Pump, Water Pump, Fan Blade, Turbocharger, Engine Assy, Nozzle Piping, Thermostat, Seat Thermostat, Belt Tensioner, Pulley, Oil Cooler Core, Oil Cooler Cover Etc.

FridayParts Muffler Silencer 266-6252 266-6250 Compatible for Caterpillar Excavator CAT E320C 320C 320CL 320CLN Engine 3066

$199.00

01 Oct 2025

CN: FridayParts

FridayParts Muffler Silencer 266-6252 266-6250 Compatible for Caterpillar Excavator CAT E320C 320C 320CL 320CLN Engine 3066
FP FRIDAYPARTS New aftermarket parts || Part Number: 2666252 2666250 266-6252 266-6250 || Applications: Compatible for Caterpillar Excavator E320C 320C 320CL 320CLN Engine 3066 || Specification: Diameter (mm)：290; Height (mm)：625; Inlet Diameter (mm)：70; Outlet Diameter (mm)：90. || See Details: 320C, 320C L, 320C LN, 320C S Excavators BBL00001-UP (MACHINE) POWERED BY 3066 Engine. 320C &320C L Excavators AMC00001-UP (MACHINE) POWERED BY 3066 Engine. 320C &320C L Excavators BDC00001-UP (MACHINE) POWERED BY 3066 Engine. 320C &320C L Excavators BPR00001-UP (MACHINE) POWERED BY 3066 Engine. || See Details: 320C Forest Swing Machine BGB00001-UP (MACHINE) POWERED BY 3066 Engine. 320C U 320C LU Excavators CLM00001-UP (MACHINE) POWERED BY 3066 Engine. 320C Excavators HBC00001-UP (MACHINE) POWERED BY 3066 Engine. 320C Material Handler JPL00001-UP (MACHINE) POWERED BY 3066 Engine. || Please make sure your part number and items are the same with our product listing before ordering, any problem please feel free to contact us, thanks.

CTP 2666250 Muffler Assembly for Models 320C/321C/330C

$215.23

22 Aug 2025

Amazon.com

CTP 2666250 Muffler Assembly for Models 320C/321C/330C
CTP For models 320C/321C/330C || Sold in each || Easy in-and-out fit

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This part in 1 request: Show. This information for suppliers only!

#877382 2666250

2022-05-06

Number on catalog scheme: 1

Caterpillar 2666250 Parts scheme MUFFLER

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Compatible equipment models: 2666250:

EXCAVATOR 320C 321C Caterpillar

Information:

Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-2403 Dial Indicator 1
B 1P-2402 Gauge body 1 If the height of the piston in the cylinder block is not within the tolerance that is given in the Specifications, "Piston and Rings", the bearing for the piston pin must be checked. Refer to Systems Operation, Testing and Adjusting, "Connecting Rod - Inspect". If any of the following components are replaced or remachined, the piston height above the cylinder block must be measured:
Crankshaft
Cylinder head
Connecting rod
Bearing for the piston pinThe correct piston height must be maintained in order to ensure that the engine conforms to the standards for emissions.Note: The top of the piston should not be machined. If the original piston is installed, be sure that the original piston is assembled to the correct connecting rod and installed in the original cylinder.Six grades of length of connecting rods determine the piston height in the cylinder block. The grade of length of a connecting rod is identified by a letter or a color. The letter or the color is marked on the side of the connecting rod. Refer to Specifications, "Connecting Rod" for additional information.
Illustration 1 g01335979
(A) Dial gauge (B) Gauge body
Use Tooling (A) and (B) in order to measure the piston height above the cylinder block. Use the cylinder block face to zero the dial gauge.
Rotate the crankshaft until the piston is at the approximate top center.
Place Tooling (A) and (B) in position (1) toward the rear of the engine, in order to measure the piston height in the cylinder block. Slowly rotate the crankshaft in order to determine when the piston is at the highest position. Record this dimension.
Place Tooling (A) and (B) in position (2) toward the front of the engine, in order to measure the piston height in the cylinder block. Record the average of the readings at positions (1) and (2) . Compare this dimension with the dimensions that are given in Specifications, "Piston and Rings".