Replacement Hydraulic Boom Swing Cylinder for Bobcat (PN: 7156128) Models 337, 341

  • Replacement Bobcat Boom Swing Cylinder 6818258 for BOBCAT Models 337 & 341
  • Replacement Bobcat Boom Swing Cylinder 6818258 for BOBCAT Models 337 & 341
  • Replacement Bobcat Boom Swing Cylinder 6818258 for BOBCAT Models 337 & 341

$1,210.00

Need help with your cylinder part number? Call us at (888) 771-1894 with your machine's serial number, and we'll ensure you get the perfect replacement!

Specifications for 2183804391

CategoryReplacement Welded Rod Hydraulic Cylinders » Excavator
Fits Manufacturer Bobcat Hydraulic Cylinders
Models Bobcat 337, Bobcat 341
Function Boom Swing
Type Excavator
Features Double-Acting Rod Hydraulic Cylinder (DAR)
SKU 2183804391
Weight 86.0 lbs

Bore

3.25″

Rod

2.00″

Stroke

27.50″

Closed

38.75″

Open Extended Length

66.25″

Operating Pressure (PSI)

3000

Base End Mount Type

Drilled Thru Base

Base Pin Size

45mm

Base Mount Width

3.75″

Rod End Mount Type

Drilled Thru Lug

Rod Pin Size

56mm

Rod Mount Width

2.25″

Extend Port/Plunger

-8 JIC 90D

Retract Port/Plunger

-8 JIC 90D

Old OEM PNs

6818258, 7147421

Description

This replacement boom swing cylinder (OEM 7156128) is built for Bobcat 337 and 341 compact excavators, offering enhanced strength and hydraulic efficiency. Made in the USA from durable all-steel materials, it meets or exceeds OEM standards. This cylinder is a direct-fit replacement, ensuring smooth swing operation and dependable performance.

Bore:

3.25″

Rod:

2.00″

Stroke:

27.50″

Closed:

38.75″

Open Extended Length:

66.25″

Operating Pressure (PSI):

3000

Base End Mount Type:

Drilled Thru Base

Base Pin Size:

45mm

Base Mount Width:

3.75″

Rod End Mount Type:

Drilled Thru Lug

Rod Pin Size:

56mm

Rod Mount Width:

2.25″

Extend Port/Plunger:

-8 JIC 90D

Retract Port/Plunger:

-8 JIC 90D

Old OEM PNs:

6818258, 7147421

Returning Merchandise

New and un-used stock items maybe returned for refund within 30 days of purchase. No returns are accepted without prior authorization, call 888-771-1894 or email sales@hydrauliccylindersinc.com to receive a return authorization number. Make sure to properly package your item to avoid damage in transit. Hydraulic Cylinders Inc. is not responsible for any shipping charges or damages for the return of product to Hydraulic Cylinders Inc. It is the responsibility of the sender to provide for all shipping, handling, and insurance charges.

Warranty Coverage:
Hydraulic Cylinders Inc. warrants its Replacement Welded Rod Cylinders against defects in materials and workmanship for 12 months from the date of purchase.

Exclusions & Conditions:

  • Disassembly voids warranty coverage.
  • Misuse, misapplication, or unauthorized modification is not covered.
  • HCI does not provide engineering guidance or warrant product fitness for any specific application.
  • It is the customer’s responsibility to ensure product suitability and compliance with all regulations and application requirements.

Claims Process:
Contact Hydraulic Cylinders, Inc. directly to initiate a warranty review. Claims require return and evaluation of the product.

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