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SKU	Differences
311255	1
311220	1
311135	1
311134	1
311256HP	2
311255HP	2
311254	2
311253HP	2
311253	2
311251HP	2
311251	2
311220HP	2
311191	2
311190HP	2
311190	2
311167	2
311154	2
311109	2
311027HP	2
311027	2
311023HP	2
311023	2
311301HP	3
311301	3
311289	3
311279HP	3
311279	3
311251E	3
311025HP	3
311025	3
311308	4
311306	4
311304	4
311296	4
311291	4
311287	4
311284	4
311281	4
311277	4
311271	4
311269	4
311267	4
311265	4
311261	4
311259HP	4
311259	4
311248HP	4
311236	4
311226	4
311224	4
311215	4
311211	4
311204	4
311202HP	4
311202	4
311195HP	4
311195	4
311194HP	4
311193	4
311189HP	4
311188HP	4
311185	4
311181	4
311175	4
311173	4
311171	4
311166HP	4
311166	4
311165HP	4
311164HP	4
311164	4
311161	4
311159HP	4
311159	4
311158HP	4
311157HP	4
311147	4
311146	4
311145HP	4
311145	4
311144	4
311143HP	4
311137HP	4
311137E	4
311137	4
311136	4
311127HP	4
311114HP	4
311114	4
311111HP	4
311111	4
311106	4
311104	4
311102	4
311100	4
311098	4
311096	4
311094HP	4
311094	4
311092	4
311091	4
311055	4
311053	4
311051	4
311037HP	4
311037	4
311036HP	4
311035HP	4
311035	4
311033HP	4
311033	4
311031	4
311029	4
311024HP	4
311022HP	4
311021	4
311019	4
311017HP	4
311017	4
311016HP	4
311015HP	4
311015	4
311014HP	4
311011HP	4
311011	4
311071	6
311070	6
311065	6
311063	6
311282	7
311064	7
311061	7
311060	7

PISTON KIT

311256

Description:	PISTON KIT
SKU:	311256
OEM:
Product group:	ENGINE PARTS
UPC Code:	193807044329
Sell Pack:	1 EACH
Weight:	12.54 LBS
PKG Size:	6 x 6 x 7 inches
Warranty:	2 Years

Alternate

311256HP Select To Compare

Description:	HIGH PERFORMANCE PISTON KIT
Sell Pack:	1 EACH
Weight:	12.56 LBS
PKG Size:	6 x 6 x 7 inches
Warranty:	3 Years

Part Number: CAP311256 Description: PISTON KIT Sell Pack:1 EACH

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Details:

Piston Kit
without Bushing
Replaces 311135
Caterpillar 3406E application

Durable construction
Direct replacement for OE part
Caterpillar 3406E Engine Application
Genuine PAI product including a factory 2-Year Warranty
Quality You Can Trust - PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards

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Product Attributes:

Bore (inches)	5.40
Bore (mm)	137.16
Oversized	No
Ring Grooves	3

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Why Choose PAI?:

DETAIL - PAI pistons are carefullly designed and feature cutting edge precision. Piston specifications are measured in a 3D environment. Finished products are dyno and road tested to ensure the 100% functionality and performance.

STRENGTH - PAI pistons are made of industry leading materials and processes. Our pistons and piston components are rigorously tested in heavy duty diesel engines and high stress work environments to certify proper and continuous operation over long periods of time.

VARIETY - PAI is a market leader of heavy-duty diesel truck parts, and our pistons and piston components are no exception. We have been manufacturing and expanding our product offerings since 1973. If there is a part you need, and we do not have it, there is a good chance we are working diligently to make it.

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Component Of:

Part Number	Description
301076	CYLINDER KIT

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Consists Of:

Part Number	OEM Number	Description	Quantity
311232	N/A	PISTON CROWN	1
311121	1300241	PISTON SKIRT	1
311004HP	1687246	HIGH PERFORMANCE PISTON PIN	1
GRI-2703	97AX126	INTERNAL RETAINER RING	2

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Year	Make	Model
All	CATERPILLAR	3406E SERIES
All	CATERPILLAR	C15 ENGINE
All	CATERPILLAR	C16 ENGINES
All	CATERPILLAR	C18 ENGINE