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2012 Polaris SPORTSMAN 550 (A12ZN55AA/AQ/AZ) Engine, Crankshaft & Piston

Change Assembly
Diagrams Shown are for U.S. Models

Engine, Crankshaft & Piston

Prices shown are USD

Ref#
 Part
MSRP
Qty
 
1
CRANKSHAFT ASSY [Incl. 4-10,12,20]
$907.49
2
PISTON-SET STD [Incl. Piston, Qty 2 of #13]
$169.99
2
PISTON-SET 0.25 OS [Incl. Piston, Qty 2 of #13]
$169.99
2
PISTON-SET 0.50 OS [Incl. Piston, Qty 2 of #13]
$169.99
3
RING-PISTON STD [Incl. Qty 1 Top, Middle, Lower Ring]
$72.99
3
RING-PISTON SET 0.25 OS [Incl. Qty 1 Top, Middle, Lower Ring]
$72.99
3
RING-PISTON SET 0.50 OS [Incl. Qty 1 Top, Middle, Lower Ring]
$72.99
4
ROD-CONNECTING
$192.49
5
BEARING,LARGE END
$83.99
6
BALL, STEEL
$3.49
7
BALANCER GEAR (DRIVE)
$103.99
8
BEARING, BALL
$36.99
9
SPROCKET-CRANK
$47.99
10
CRANKSHAFT 1
$464.99
11
PIN-PISTON
$47.99
12
CRANKSHAFT-2
$226.99
13
CLIP(2)
$3.49
14
Discontinued
15
BALANCER SHAFT 2 COMPL.
$265.99
16
KEY WOODRUFF
$10.49
17
NUT
$17.49
18
WASHER
$7.49
19
BEARING,NEEDLE
$24.49
20
PIN-CRANK CP
$88.49