SK-BC331-BOOM
Bobcat 331 Boom Cylinder Seal Kit
- Bore
- 3" (76.2 mm)
- Rod
- 1.75" (44.45 mm)
- Stroke
- 26" (660.4 mm)
threaded external gland
$104.00
Ships in about 3 business days
Excavators
Bobcat 331 cylinder seal kits
E / G SeriesSerial breaks — check your plate4 kits
Long-arm option uses a different arm cylinder. Check the stroke before ordering.
Boom / Lift
All serial numbers
The big cylinder that raises the boom off the machine.
Complete kit
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Arm / Dipper
S/N 232511001 & Above
Between the boom and the bucket. Often called the stick.
SK-BC331-ARM-A
Bobcat 331 Arm Cylinder Seal Kit — S/N 232511001 & Above
- Bore
- 2.5" (63.5 mm)
- Rod
- 1.5" (38.1 mm)
- Stroke
- 22.5" (571.5 mm)
threaded external gland
$89.50
Ships in about 3 business days
Arm / Dipper
S/N 512911001 & Above
Between the boom and the bucket. Often called the stick.
SK-BC331-ARM-B
Bobcat 331 Arm Cylinder Seal Kit — S/N 512911001 & Above
- Bore
- 2.75" (69.85 mm)
- Rod
- 1.5" (38.1 mm)
- Stroke
- 22.5" (571.5 mm)
threaded external gland
$94.00
Ships in about 3 business days
Bucket / Curl
All serial numbers
Curls the bucket. Usually the smallest cylinder on the machine.
SK-BC331-BKT
Bobcat 331 Bucket Cylinder Seal Kit
- Bore
- 2.25" (57.15 mm)
- Rod
- 1.25" (31.75 mm)
- Stroke
- 18.5" (469.9 mm)
threaded external gland
$78.00
Ships in about 3 business days
Swing
All serial numbers
Swings the boom left and right. Mini excavators only.
SK-BC331-ARM-A
Bobcat 331 Arm Cylinder Seal Kit — S/N 232511001 & Above
- Bore
- 2.5" (63.5 mm)
- Rod
- 1.5" (38.1 mm)
- Stroke
- 22.5" (571.5 mm)
threaded external gland
$89.50
Ships in about 3 business days
Not finding it?
Another cylinder on your 331?
We add positions to a machine as we verify them. Tell us which cylinder you’re working on and we’ll price a kit for it.
Request a kit