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MUFFLER AS 6N1878 - Caterpillar


6N1878 MUFFLER AS Caterpillar parts 120G, 12G
Rating:
49
Alternative (cross code) number:
CA6N1878
6N-1878
6N1878
Caterpillar 6N1878 MUFFLER AS
Weight: 64 pounds 29 kg.
Information:
BODY LENGTH  601.73  mm
INLET ID  102.38  mm
OUTLET OD  105.23  mm
PROTECTIVE SHIELD 
WITH EJECTOR 
WITH MOUNTING BRACKET 
WITH OUTER WRAP 
BODY DIAMETER/WIDTH  261.87 
OVERALL LENGTH  1035.05 
OVERALL HEIGHT  388.87 

Buy MUFFLER AS 6N1878 Caterpillar genuine, new aftermarket tractor parts with delivery
MOTOR GRADER,

Related part:
6N1878  MUFFLER-YM  3607883  CL

Compare Prices: .

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$212.49

24 Jun 2025

Amazon.com
CTP 6N1878 Muffler Assembly for Models 12G/120G
CTP For models 12G/120G || Sold in each || Easy in-and-out fit
$206.58

19 May 2025

Amazon.com
CTP 6N1878 Muffler Assembly for Models 12G/120G
CTP For models 12G/120G || Sold in each || Easy in-and-out fit
$200.86

22 Jan 2025

Amazon.com
CTP 6N1878 Muffler Assembly for Models 12G/120G
CTP For models 12G/120G || Sold in each || Easy in-and-out fit
Number on catalog scheme: 1
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Compatible equipment models: 6N1878:

MOTOR GRADER  120G   12G   Caterpillar

Information:

Removal Procedure
Illustration 1 g02029533
Cut cable straps (2) from harness assembly (1) .Note: Note position of cable straps.
Slide the locking tab for connection (3) into the unlocked position.
Disconnect harness assembly (1) from connection (3) .
Illustration 2 g02029535
Make temporary marks on heated nozzle connection (6) and the combustion head for the ARD for installation purposes.
Remove allen head screw (5) and clamp (4) .
Remove heated nozzle connection (6) from the combustion head for the ARD.
Illustration 3 g02029536
Remove O-ring seals (8) and O-ring seal (7) from the heated nozzle.Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     247-5377     Torque Wrench     1    
Ensure that all components are clean and free from wear and damage. If necessary, replace any components that are worn or damaged.
Illustration 4 g02029536
Illustration 5 g02029535
Install new O-ring seals (8) and O-ring seal (7) to heated nozzle connection (6) .
Position harness assembly (1) and install heated nozzle connection (6) to the combustion head for the ARD.Note: Ensure correct orientation of the heated nozzle connection.
Install clamp (4) and allen head screw (5) .
Use Tooling (A) in order to tighten the allen head screw to a torque of 1.7 N m (15 lb in).
Illustration 6 g02029533
Connect harness assembly (1) to connection (3) .
Slide the locking tab for connection (3) into the locked position.
Install new cable straps (2) to harness assembly (1) .Note: Ensure that cable straps meet the Original Equipment Manufacturers (OEM) specification.

Caterpillar parts catalog:

Caterpillar parts catalog
120G Motor Grader 87V08360-UP (MACHINE) POWERED BY 3304 Engine
12G Motor Grader 61M12027-UP (MACHINE) POWERED BY 3306 Engine
120G Motor Grader 4HD00001-UP (MACHINE) POWERED BY 3304 Engine
12G Motor Grader 3PL00001-UP (MACHINE) POWERED BY 3306 Engine


Parts muffler Caterpillar catalog:

4N8296 MUFFLER GP
12G, 140G, 14G, 160G
4N8297 MUFFLER GP
120G, 12G, 130G, 930R
4N7870 MUFFLER AS
120G, 12G, 130G, 3304, 3306, 930
1123249 MUFFLER AS
12G, 140G, 14G, 160G, D6F SR, D6G SR
2056642 MUFFLER AS
330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D MH, 336D, 336D L, 336D2, 336D2 L, 340D L, 340D2 L, M330D
7C3693 MUFFLER AS
120H, 120H ES, 120H NA, 135H, 135H NA
2622757 MUFFLER
12H, 12H ES, 12H NA, 140H, 140H ES, 140H NA, 143H, 14H NA, 160H, 160H ES, 160H NA, 163H NA
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