2001-2009 (General Motors) 256C 4.2L

ENGINE ID: 256C
Makes: General Motors
MODELS: Envoy 2001-2009, Trailblazer 2002-2009
LITERS: 4.2L
YEARS: 2001 - 2009
BORE MEASUREMENT: 91.50mm (3.660 in)
CC: 4157cc
OTHER DETAILS:

ENGINE PARTS

Cylinder Head

PART #: CW-GM252
DETAILS: 02-05
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Cylinder Head Gasket

PART #: V-54385
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Cylinder Sleeve

PART #: CA-3-5/8X6-3/4
DETAILS: 3/32
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Cylinder Sleeve

PART #: CA-3.622X7
DETAILS: 3/32
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Exhaust Manifold Gasket

PART #: V-MS19258
DETAILS: 02-05
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Exhaust Manifold Gasket

PART #: V-MS19344
DETAILS: 06-09
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Exhaust Valve

PART #: VAL-E5087
DETAILS: 02-05
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Exhaust Valve

PART #: VAL-E5195
DETAILS: 06-09
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Gasket Full Set

PART #: EFG0120
DETAILS: HS9354PT-6
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Gasket Head Set

PART #: V-HS54385
DETAILS: 02-05
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Gasket Head Set

PART #: V-HS54385A
DETAILS: 06-09
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Head Bolts

PART #: V-GS33416
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Intake Manifold Gasket

PART #: V-MS19232
DETAILS: 00-10
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Intake Valve

PART #: VAL-I5086
DETAILS: 02-05
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Intake Valve

PART #: VAL-I5198
DETAILS: 06-09
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Lifter

PART #: L-HL7007S
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Main Bearings

PART #: ACL-7M2224A.010
Measure: 0.25mm (0.010in)
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Main Bearings

PART #: ACL-7M2224A.020
Measure: 0.50mm (0.020in)
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Main Bearings

PART #: ACL-7M2224A.STD
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Oil Pump Kit

PART #: M-K322
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Pistons

PART #: P-3496HC.020
DETAILS: 02-05
Measure: 0.50mm (0.020in)
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Pistons

PART #: P-3496HC..040
DETAILS: 02-05
Measure: 1.00mm (0.039in)
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Pistons

PART #: P-3496HC.STD
DETAILS: 02-05
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Pistons

PART #: P-3524HC.STD
DETAILS: 06-09
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Push Rod

PART #: ECR-572
DETAILS: CASTIN-7211
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Push Rod

PART #: ECR-582
DETAILS: CASTIN-9040
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Rear Main Seal Set

PART #: V-JV1668
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Rings

PART #: H-2C4781.030
DETAILS: 2001
Measure: 0.75mm (0.030in)
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Rings

PART #: H-2C4781.STD
DETAILS: 2001
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Rings

PART #: H-2M5227.020
DETAILS: 02-09
Measure: 0.50mm (0.020in)
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Rings

PART #: H-2M5227.040
DETAILS: 02-09
Measure: 1.00mm (0.039in)
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Rings

PART #: H-2M5227.STD
DETAILS: 02-09
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Rod Bearings

PART #: CR6860SI.010
Measure: 0.25mm (0.010in)
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Rod Bearings

PART #: CR6860SI.020
Measure: 0.50mm (0.020in)
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Rod Bearings

PART #: CR6860SI.030
Measure: 0.75mm (0.030in)
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Rod Bearings

PART #: CR6860SI.STD
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Timing Cover Gasket Set

PART #: V-JV5039
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Timing Cover Seal

PART #: V-JV5077
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Timing Kit Set

PART #: SA-76170
DETAILS: 02-07
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Timing Kit Set

PART #: SA-76190
DETAILS: 08-09
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Timing Kit Set

PART #: TK-76142
DETAILS: 02-07
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Timing Kit Set

PART #: TK-76142-2
DETAILS: 08-09
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Valve Seal

PART #: VSG29C
DETAILS: 06-09
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Valve Seal

PART #: VSG35V
DETAILS: 01-05
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Water Pump

PART #: WP-21097
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