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  5. Engine Straight 4 Cylinders

1991 GMC Trucks Syclone 4WD engine straight 4 cylinders parts catalog

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Coil, engine assembly 2.5l l4 manifold and fuel related parts (ln8/2.5e)

  • OEM part number: 12498334
  • Quantity in car: 1
  • Ignition
  • Usage: S106 (03-53) (L38)

$49.3556.45

Available in 38 shops

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Nipple, engine assembly 2.5l l4 manifold and fuel related parts (ln8/2.5e)

  • OEM part number: 10027566
  • Quantity in car: 1
  • Intake manifold
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

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Valve, engine assembly 2.5l l4 manifold and fuel related parts (ln8/2.5e)

  • OEM part number: 22532158
  • Heater water flow control

$9.4322.13

Available in 38 shops

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Fitting, engine assembly 2.5l l4 manifold and fuel related parts (ln8/2.5e)

  • OEM part number: 14076494
  • Quantity in car: 1
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$0.73

Available in 1 shop

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Support, engine assembly 2.5l l4 manifold and fuel related parts (ln8/2.5e)

  • OEM part number: 10101874
  • Quantity in car: 1
  • Spark plug wire
  • Usage: S1 (03-53) (L38), S1 (03-53) (LN8)

$0.73

Available in 1 shop

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Support, engine assembly 2.5l l4 manifold and fuel related parts (ln8/2.5e)

  • OEM part number: 10201323
  • Quantity in car: 1
  • Spark plug wire (right-hand rear at firewall)
  • Usage: S1

$?

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Gasket kit, engine assembly 2.5l l4 manifold and fuel related parts (ln8/2.5e)

  • OEM part number: 10159448
  • Quantity in car: 1
  • Usage: S1 (03-53) (LN8)

$?

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Gasket kit, engine assembly 2.5l l4 manifold and fuel related parts (ln8/2.5e)

  • OEM part number: 12506942
  • Quantity in car: 1
  • Usage: S1 (03-53) (L38)

$?

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Engine, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10159548
  • Quantity in car: 1
  • Usage: S1 (LN8), S1 (L38)

$?

Add to cart


Ring kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10030205
  • Quantity in car: 4
  • Piston (.762mm oversize)
  • Usage: S1 (03-53) (LN8)

$?

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Ring kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10030205
  • Quantity in car: 4
  • Piston (.762mm os)
  • Usage: S1 (03-53) (L38)

$?

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Ring kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10037199
  • Quantity in car: 4
  • Piston (standard)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

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Ring kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10037200
  • Quantity in car: 4
  • Piston (.127mm oversize)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$0.49

Available in 1 shop

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Ring kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10037201
  • Quantity in car: 4
  • Piston (.254 millimeter oversize)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

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Ring kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 12515628
  • Quantity in car: 4
  • Piston (.508 millimeter o.s)
  • Usage: S1 (03-53) (L38), S1 (03-53) (LN8)

$?

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Piston, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10112444
  • Quantity in car: 4
  • (with pinion) (standard)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

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Piston, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10112445
  • Quantity in car: 4
  • (with pinion) (.127mm oversize) (standard high limit)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

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Bolt, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10000569
  • Quantity in car: 8
  • Connect rod (11/32x24x2.0 piece)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$0.93

Available in 1 shop

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Rod, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10042989
  • Quantity in car: 4
  • Usage: S1 (03-53) (L38), S1 (03-53) (LN8)

$?

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Bearing kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10181335
  • Quantity in car: 4
  • Connect rod (standard)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

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Bearing kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10181336
  • Quantity in car: 4
  • Connect rod (.010" undersize)
  • Usage: S1 (03-53) (LN8, L38)

$?

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Nut, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 00527599
  • Quantity in car: 8
  • Connect rod (hexagon 11/32-24)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

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Pinion, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 00522780
  • Quantity in car: 2
  • Cylinder head location (5/16x11/16) (dowel)
  • Usage: S1 (03-53) (L38), S1 (03-53) (LN8)

$?

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Pipe, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10042963
  • Quantity in car: 1
  • Fuel injection fuel feed
  • Usage: S1 (LN8), S1 (L38)

$?

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Screw, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

$0.461.08

Available in 38 shops

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Washer, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10032768
  • Quantity in car: 4
  • Valve push rod cover
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$0.38

Available in 1 shop

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Nut, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

$0.350.41

Available in 38 shops

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Pipe, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10042964
  • Quantity in car: 1
  • Usage: S1 (LN8), S1 (LN8, L38)

$?

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Clip, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 25527423
  • Quantity in car: 3
  • Fuel feed & return pipe (to engine) (diameter is 0.6mm larger than 00343442 & 10042838)
  • Usage: S1 (LN8), S1 (L38)

$2.163.03

Available in 39 shops

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Bracket, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10042136
  • Quantity in car: 2
  • Fuel feed & return front pipe clip
  • Usage: S1 (LN8), S1 (L38)

$0.49

Available in 1 shop

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Cover, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10037163
  • Quantity in car: 1
  • Valve push rod (use room temperature vulcanizing)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$0.906.37

Available in 2 shops

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Retainer, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10028056
  • Quantity in car: 2
  • Valve lifter guide
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

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Stud, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10044611
  • Quantity in car: 4
  • Valve push rod cover (position #1, 2, 3, 4) (hexagon with washer, 6x1x18.5, 6x1x14.75, 18 outside diameter, 9.8, piece)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$0.93

Available in 1 shop

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Guide, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10028057
  • Quantity in car: 4
  • Valve lifter
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

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Lifter, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 17120090
  • Quantity in car: 8
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$32.2149.98

Available in 38 shops

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Plug, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10036984
  • Quantity in car: 1
  • Camshaft rear bearing hole (53.48mm)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

Add to cart


Plug, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10241154
  • Quantity in car: 1
  • Camshaft rear bearing hole
  • Usage: S1

$1.721.93

Available in 2 shops

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Plug, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 14090911
  • 3/8-18 dry seal

$0.402.89

Available in 2 shops

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Pinion, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 12338076
  • Quantity in car: 2
  • Trans location (19.5 millimeter x 18.5 millimeter) (to cylinder block)
  • Usage: S1 (03-53) (LN8, L38)

$0.851.08

Available in 38 shops

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Plug, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

$?

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Bearing kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10147961
  • Quantity in car: 1
  • Crankshaft (#5-0.001" undersize)
  • Usage: S1 (LN8), S1 (L38)

$?

Add to cart


Bearing kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 12329774
  • Quantity in car: 1
  • Crankshaft (#5 (standard)
  • Usage: S1 (LN8), S1 (L38)

$21.6940.86

Available in 38 shops

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Spacer, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10005655
  • Quantity in car: 1
  • Flywheel (to crankshaft)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$2.717.54

Available in 2 shops

Add to cart


Seal, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10036788
  • Quantity in car: 1
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$13.9924.87

Available in 38 shops

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Stud, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10101701
  • Quantity in car: 1
  • Crankshaft bearing cap (m11x1.5x70/m10x1.5x18 10.9 plain)
  • Usage: S1 (03-53) (L38), S1 (03-53) (LN8)

$2.58

Available in 1 shop

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Bolt, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10031854
  • Quantity in car: 9
  • Crankshaft bearing cap (m11x1.5x70/10.9)
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

Add to cart


Camshaft, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10029787
  • Quantity in car: 1
  • Usage: S1 (03-53) (LN8)

$?

Add to cart


Camshaft, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10124661
  • Quantity in car: 1
  • Usage: S1 (03-53) (L38)

$?

Add to cart


Gear, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10028052
  • Quantity in car: 1
  • Crankshaft
  • Usage: S1 (03-53) (LN8), S1 (03-53) (L38)

$?

Add to cart


Insert, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10018699
  • Quantity in car: 1
  • Crankshaft
  • Usage: S1 (03-53) (L38, MD8), S1 (03-53) (LN8, MD8)

$2.846.99

Available in 2 shops

Add to cart


Insert, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10032605
  • Quantity in car: 1
  • Usage: S1 (03-53) (LN8, MW1), S1 (03-53) (L38, MW1)

$?

Add to cart


Crankshaft, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10044541
  • Quantity in car: 1
  • (casting 543)
  • Usage: S1 (03-53) (L38), S1 (03-53) (LN8)

$?

Add to cart


Key, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10029208
  • Quantity in car: 1
  • Crankshaft pulley hub (4.78mm thick, 19.84 long, pln steel)
  • Usage: S1 (LN8), S1 (L38)

$?

Add to cart


Bearing kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 18012433
  • Quantity in car: 4
  • Crankshaft (#1, 2, 3, 4) (standard)
  • Usage: S1 (LN8), S1 (L38)

$0.80

Available in 1 shop

Add to cart


Bearing kit, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 18012434
  • Quantity in car: 4
  • Crankshaft (#1, 2, 3, 4) (.001" undersize)
  • Usage: S1 (LN8), S1 (L38)

$?

Add to cart


Washer, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10042038
  • Quantity in car: 1
  • Crankshaft pulley hub (to crankshaft)
  • Usage: S1 (LN8), S1 (L38)

$3.033.25

Available in 2 shops

Add to cart


Bolt, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

$2.813.36

Available in 38 shops

Add to cart


Pulley, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10042814
  • Quantity in car: 1
  • Usage: S1 (LN8), S1 (L38)

$?

Add to cart


Bolt, engine assembly 2.5l l4 block and internal parts (l38/2.5a)

  • OEM part number: 10042865
  • Quantity in car: 3
  • Crankshaft pulley (m8x1.25x19, 10.9)
  • Usage: S1 (L38)

$0.44

Available in 1 shop

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