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Replacement and OEM Parts for 1991 GMC K2500 Crankshafts, Pistons, Rings & Connecting Rods

1991 GMC K2500 Crankshafts, Pistons, Rings & Connecting Rods

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Engine & Drivetrain

76 products about 1991 GMC K2500 Crankshafts, Pistons, Rings & Connecting Rods found

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  • OEM 1991 GMC K2500 Plate Oil Seal Diagram - 14090906
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    OEM (Genuine) 1991 GMC K2500 Plate Oil Seal

    PartNumber: 14090906
    OEM 1991 GMC K2500 Plate Oil Seal - 14090906
    Product Specifications
    • Notes: 5.0 & 5.7 Liter; All Models
    • Item Dimensions: 3.0 x 3.0 x 0.5 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12577710
    • Part Description: 1991 GMC K2500 Plate Oil Seal
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    $19.64 MSRP: $37.03
    You Save: $17.39 (47%)
  • OEM 1991 GMC K2500 Pulley Diagram - 10085754
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    OEM (Genuine) 1991 GMC K2500 Pulley

    PartNumber: 10085754
    OEM 1991 GMC K2500 Pulley - 10085754
    Product Specifications
    • Notes: 4.3 Liter, W/AC; All Models; All; Pick-Up; All
    • Other Names: Crank Pulley, Crankshaft Pulley, Pulley
    • Item Dimensions: 8.0 x 8.2 x 3.3 inches
    • Item Weight: 3.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Pulley
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    $34.64 MSRP: $57.36
    You Save: $22.72 (40%)
  • Dorman OE Solutions Crankshaft Pulley for 1991 GMC K2500 - 594-530

    Dorman® OE Solutions Crankshaft Pulley for 1991 GMC K2500

    PartNumber: 594-530
    Product Specifications
    • Belt Type: V-belt
    • Bolts (Studs) Included: No
    • Color: Black
    • Crankshaft Pulley Groove Style: Single
    • Crankshaft Pulley Shaft Opening Diameter: 1.06"
    • Crankshaft Pulley Woodruff Key Compatible: No
    • Diameter: 7.81"
    • Grooves: 6
    • Item Grade: Standard Replacement
    • Material: Steel
    • Mount Hole Quantity: 3
    • OE Part Number: 10085754
    • Pulley Width: 1.19"
    • Thickness: 1.19"
    • UPC: 885484359154
    • Part Description: 1991 GMC K2500 OE Solutions Crankshaft Pulley
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 6 Cyl 4.3L
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.0L
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.7L
    Show More
    $31.97
  • OEM 1991 GMC K2500 Rear Main Seal Retainer Diagram - 10088158
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    OEM (Genuine) 1991 GMC K2500 Rear Main Seal Retainer

    PartNumber: 10088158
    OEM 1991 GMC K2500 Rear Main Seal Retainer - 10088158
    Product Specifications
    • Notes: All Models
    • Item Dimensions: 6.7 x 5.3 x 0.6 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Rear Main Seal Retainer
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    $30.93 MSRP: $51.22
    You Save: $20.29 (40%)
  • Sealed Power Premium Piston Ring Set With Coating for 1991 GMC K2500 - E-468K

    Sealed Power® Premium Piston Ring Set With Coating for 1991 GMC K2500

    PartNumber: E-468K
    Product Specifications
    • Notes: Premium;Standard Size; Ring Groove Widths: 3.0, 2.0, 4.0 (mm); Ductile Iron w/Plasma Moly top ring; Grey Iron 2nd ring
    • 2nd Ring Face Design: Reverse Torsional
    • 2nd Ring Material: Grey Iron
    • 2nd Ring Width: 2.00
    • Bore Diameter: 3.9764
    • Cylinder Quantity: 8
    • File Fit: No
    • Oil Ring Design: 2 Piece Conformatic
    • Oil Ring Width: 4.00
    • Outside Diameter: 101.00
    • Package Alert: Full set
    • Ring Material: Premium Moly
    • Ring Set Groove Widths: 3.0 x 2.0 x 4.0
    • Standard Size: Standard
    • Top Ring Face Design: Key Stone
    • Top Ring Material: Ductile Iron w/Plasma Moly
    • Top Ring Width: 3.00
    • UPC: 053059145147
    • Part Description: 1991 GMC K2500 Premium Piston Ring Set With Coating
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 6.2L
    $269.83
  • OEM 1991 GMC K2500 Bearings Diagram - 12523924
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    OEM (Genuine) 1991 GMC K2500 Bearings

    PartNumber: 12523924
    OEM 1991 GMC K2500 Bearings - 12523924
    Product Specifications
    • Notes: All Models
    • Other Names: Bearing, Connecting Rod Bearing
    • Item Dimensions: 4.3 x 4.2 x 2.2 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12523927
    • Part Description: 1991 GMC K2500 Bearings
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    $31.23 MSRP: $49.59
    You Save: $18.36 (38%)
  • Sealed Power Premium Piston Ring Set With Coating for 1991 GMC K2500 - E-553K

    Sealed Power® Premium Piston Ring Set With Coating for 1991 GMC K2500

    PartNumber: E-553K
    Product Specifications
    • Notes: Premium;Standard Size; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); Grey Iron w/Moly top ring; Grey Iron 2nd ring
    • 2nd Ring Face Design: Reverse Torsional
    • 2nd Ring Material: Grey Iron
    • 2nd Ring Width: 0.078125
    • Bore Diameter: 4.2500
    • Cylinder Quantity: 8
    • File Fit: No
    • Oil Ring Design: SS50U
    • Oil Ring Width: 0.1875
    • Outside Diameter: 4.2500
    • Package Alert: Full set
    • Ring Material: Premium Moly
    • Ring Set Groove Widths: 5/64 x 5/64 x 3/16
    • Standard Size: Standard
    • Top Ring Face Design: Barrel Face
    • Top Ring Material: Grey Iron w/Moly
    • Top Ring Width: 0.078125
    • UPC: 053059694386
    • Part Description: 1991 GMC K2500 Premium Piston Ring Set With Coating
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 7.4L
    $108.90
  • Victor Reinz Rear Crankshaft Seal Kit for 1991 GMC K2500 - 19-10108-01

    Victor Reinz® Rear Crankshaft Seal Kit for 1991 GMC K2500

    PartNumber: 19-10108-01
    Product Specifications
    • Notes: Rubber;1 Piece;Rear
    • Material: Rubber
    • UPC: 023913756062
    • Part Description: 1991 GMC K2500 Rear Crankshaft Seal Kit
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 6 Cyl 4.3L
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.0L
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.7L
    Show More
    $25.29
  • National Automatic Transmission Torque Converter Repair Sleeve for 1991 GMC K2500 - 99174

    National® Automatic Transmission Torque Converter Repair Sleeve for 1991 GMC K2500

    PartNumber: 99174
    Product Specifications
    • Notes: w/GMC 4L60 Trans
    • Part Description: 1991 GMC K2500 Automatic Transmission Torque Converter Repair Sleeve
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | All Engines
    $25.99
  • OEM 1991 GMC K2500 Rear Main Seal Diagram - 10101164
    View Related Parts

    OEM (Genuine) 1991 GMC K2500 Rear Main Seal

    PartNumber: 10101164
    OEM 1991 GMC K2500 Rear Main Seal - 10101164
    Product Specifications
    • Notes: All Models
    • Other Names: Rear Main Seal
    • Item Dimensions: 6.3 x 6.1 x 1.0 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Rear Main Seal
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
    $43.42 MSRP: $71.88
    You Save: $28.46 (40%)
  • Sealed Power Premium Piston Ring Set With Coating for 1991 GMC K2500 - E-377K

    Sealed Power® Premium Piston Ring Set With Coating for 1991 GMC K2500

    PartNumber: E-377K
    Product Specifications
    • Notes: Premium;.165" shallow oil ring groove; Standard Size; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); Grey Iron w/Plasma Moly top ring; Grey Iron w/Phosphate Coating 2nd ring
    • Bore Diameter: 4.000"
    • Cylinder Quantity: 8
    • Outside Diameter: 4.000"
    • Package Alert: Full Set
    • Ring Material: Premium Moly
    • Size: Standard
    • UPC: 053059139504
    • Part Description: 1991 GMC K2500 Premium Piston Ring Set With Coating
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.7L
    $85.99
  • Victor Reinz Rear Crankshaft Seal Kit for 1991 GMC K2500 - 19-10072-01

    Victor Reinz® Rear Crankshaft Seal Kit for 1991 GMC K2500

    PartNumber: 19-10072-01
    Product Specifications
    • Notes: 1 Piece;PTFE; Rear
    • Material: PTFE
    • UPC: 023913754105
    • Part Description: 1991 GMC K2500 Rear Crankshaft Seal Kit
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 6 Cyl 4.3L
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.0L
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.7L
    Show More
    $28.44
  • OEM 1991 GMC K2500 Rear Main Seal Diagram - 23503969
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    OEM (Genuine) 1991 GMC K2500 Rear Main Seal

    PartNumber: 23503969
    OEM 1991 GMC K2500 Rear Main Seal - 23503969
    Product Specifications
    • Notes: All Models
    • Other Names: Rear Main Seal
    • Item Dimensions: 6.0 x 6.1 x 0.6 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Rear Main Seal
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
    $40.49 MSRP: $67.03
    You Save: $26.54 (40%)
  • OEM 1991 GMC K2500 Bearings Diagram - 10120990
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    OEM (Genuine) 1991 GMC K2500 Bearings

    PartNumber: 10120990
    OEM 1991 GMC K2500 Bearings - 10120990
    Product Specifications
    • Notes: All Models; #1, #2 & #3; All Models; No. 1, 2, 3, 4
    • Other Names: Bearing, Main Bearings
    • Item Dimensions: 4.2 x 4.2 x 2.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Bearings
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    $22.82 MSRP: $37.77
    You Save: $14.95 (40%)
  • Sealed Power Premium Piston Ring Set W O Coating for 1991 GMC K2500 - E-553X

    Sealed Power® Premium Piston Ring Set W O Coating for 1991 GMC K2500

    PartNumber: E-553X
    Product Specifications
    • Notes: Standard;Standard Size; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); Grey Iron top ring; Grey Iron 2nd ring
    • Bore Diameter: 4.250"
    • Cylinder Quantity: 8
    • Outside Diameter: 4.250"
    • Package Alert: Full Set
    • Ring Material: Iron
    • Size: Standard
    • UPC: 614046708440
    • Part Description: 1991 GMC K2500 Premium Piston Ring Set W O Coating
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 7.4L
    $76.47
  • Sealed Power 3 4 Grooved Crankshaft Main Bearing Set for 1991 GMC K2500 - 7370M

    Sealed Power® 3 4 Grooved Crankshaft Main Bearing Set for 1991 GMC K2500

    PartNumber: 7370M
    Product Specifications
    • Notes: Standard Size; 3/4 grooved
    • Package Alert: Full set
    • Part Material: Steel Backed Overplated Bronze Alloy
    • Size: Standard
    • UPC: 614046346192
    • Part Description: 1991 GMC K2500 3 4 Grooved Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 6.2L
    $72.68
  • Victor Reinz Rear Crankshaft Seal for 1991 GMC K2500 - 19-10064-01

    Victor Reinz® Rear Crankshaft Seal for 1991 GMC K2500

    PartNumber: 19-10064-01
    Product Specifications
    • Notes: 1 Piece;Rear
    • Complete: Y
    • Contains Applications: Y
    • Housing Bore: 5.133
    • Release Wave: 12/15/2017
    • Sealing Surface Material: Molded Rubber And Metal
    • Shaft Diameter: 4.225
    • UPC: 023913754297
    • Part Description: 1991 GMC K2500 Rear Crankshaft Seal
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 7.4L
    $23.47
  • OEM 1991 GMC K2500 Bearings Diagram - 10181306
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    OEM (Genuine) 1991 GMC K2500 Bearings

    PartNumber: 10181306
    OEM 1991 GMC K2500 Bearings - 10181306
    Product Specifications
    • Notes: All Models; 7.4l; No. 2, 3, 4;All Models; 7.4l; No.1
    • Other Names: Bearing
    • Item Dimensions: 4.2 x 4.2 x 4.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Bearings
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
    $39.44 MSRP: $65.31
    You Save: $25.87 (40%)
  • Victor Reinz Rear Crankshaft Seal for 1991 GMC K2500 - 19-10142-01

    Victor Reinz® Rear Crankshaft Seal for 1991 GMC K2500

    PartNumber: 19-10142-01
    Product Specifications
    • Notes: 2 Piece;Rubber;Rear
    • Material: Rubber
    • UPC: 023913754488
    • Part Description: 1991 GMC K2500 Rear Crankshaft Seal
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 6.2L
    $29.80
  • OEM 1991 GMC K2500 Bearings Diagram - 10181307
    View Related Parts

    OEM (Genuine) 1991 GMC K2500 Bearings

    PartNumber: 10181307
    OEM 1991 GMC K2500 Bearings - 10181307
    Product Specifications
    • Notes: All Models; 7.4l; Rear
    • Other Names: Bearing
    • Item Dimensions: 4.2 x 4.3 x 2.1 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10148028
    • Part Description: 1991 GMC K2500 Bearings
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra | 8 Cyl 7.4 L GAS
    $39.44 MSRP: $65.31
    You Save: $25.87 (40%)
  • Sealed Power Premium Piston Ring Set With Coating for 1991 GMC K2500 - E-251KC

    Sealed Power® Premium Piston Ring Set With Coating for 1991 GMC K2500

    PartNumber: E-251KC
    Product Specifications
    • Notes: Premium;.200" deep oil ring groove; Standard Size; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); Triple Chrome top ring; Grey Iron 2nd ring
    • Bore Diameter: 101.60 mm
    • Cylinder Quantity: 8
    • Outside Diameter: 4.000"
    • Package Alert: Full Set
    • Ring Material: Premium Chrome
    • Size: Standard
    • UPC: 053059132666
    • Part Description: 1991 GMC K2500 Premium Piston Ring Set With Coating
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.7L
    $69.88
  • OEM 1991 GMC K2500 Piston Diagram - 23500391
    View Related Parts

    OEM (Genuine) 1991 GMC K2500 Piston

    PartNumber: 23500391
    OEM 1991 GMC K2500 Piston - 23500391
    Product Specifications
    • Notes: All Models; 6.2l; W/O Hi Limit
    • Other Names: Piston
    • Item Dimensions: 4.8 x 4.5 x 4.3 inches
    • Item Weight: 3.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Piston
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SLE, Sierra SLX | 8 Cyl 6.2 L DIESEL
    $151.13 MSRP: $239.96
    You Save: $88.83 (38%)
  • Sealed Power Premium Piston Ring Set With Coating for 1991 GMC K2500 - E-356K

    Sealed Power® Premium Piston Ring Set With Coating for 1991 GMC K2500

    PartNumber: E-356K
    Product Specifications
    • Notes: Premium;.200" deep oil ring groove; Standard Size; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); Grey Iron w/Plasma Moly top ring; Grey Iron w/Phosphate Coating 2nd ring
    • Bore Diameter: 3.736"
    • Cylinder Quantity: 8
    • Outside Diameter: 3.736"
    • Package Alert: Full Set
    • Ring Material: Premium Moly
    • Size: Standard
    • UPC: 053059137845
    • Part Description: 1991 GMC K2500 Premium Piston Ring Set With Coating
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.0L
    $66.41
  • OEM 1991 GMC K2500 Piston Diagram - 19302651
    View Related Parts

    OEM (Genuine) 1991 GMC K2500 Piston

    PartNumber: 19302651
    OEM 1991 GMC K2500 Piston - 19302651
    Product Specifications
    • Notes: All Models
    • Other Names: Piston
    • Item Dimensions: 4.7 x 4.3 x 4.4 inches
    • Item Weight: 2.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12563088, 12555794
    • Part Description: 1991 GMC K2500 Piston
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
    $112.36 MSRP: $178.40
    You Save: $66.04 (38%)
  • Sealed Power Premium Piston Ring Set With Coating for 1991 GMC K2500 - E-229K

    Sealed Power® Premium Piston Ring Set With Coating for 1991 GMC K2500

    PartNumber: E-229K
    Product Specifications
    • Notes: Premium;Use w/640P, 645P, H645NCP or H695P piston; Standard Size; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); Grey Iron w/Plasma Moly top ring; Grey Iron w/Phosphate Coating 2nd ring
    • Bore Diameter: 4.000"
    • Cylinder Quantity: 6
    • Outside Diameter: 101.60 mm
    • Package Alert: Full Set
    • Ring Material: Premium Moly
    • Size: Standard
    • UPC: 053059130594
    • Part Description: 1991 GMC K2500 Premium Piston Ring Set With Coating
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 6 Cyl 4.3L
    $59.42
  • Sealed Power Aluminum Connecting Rod Bearing Set for 1991 GMC K2500 - 8-3190A

    Sealed Power® Aluminum Connecting Rod Bearing Set for 1991 GMC K2500

    PartNumber: 8-3190A
    Product Specifications
    • Notes: Standard Size; A-Series aluminum bearings
    • Housing Bore Max: 59.060
    • Housing Bore Min: 2.3247"
    • Material: A-Series Aluminum Bearings
    • Oil Clearance Max: 0.0028"
    • Oil Clearance Min: 0.013
    • Overall Length Max: 22.660
    • Package Alert: Full set
    • Part Material: A-Series Aluminum
    • Set Type: Rod Set
    • Size: Standard
    • Sizes: Standard-1-10-20-30-40-60
    • Standard Shaft Max: 2.2000"
    • Standard Shaft Min: 55.855
    • UPC: 614046626331
    • Wall Thickness Max: 1.580
    • Part Description: 1991 GMC K2500 Aluminum Connecting Rod Bearing Set
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 7.4L
    $52.72
  • OEM 1991 GMC K2500 Piston Ring Set Diagram - 88894219
    View Related Parts

    OEM (Genuine) 1991 GMC K2500 Piston Ring Set

    PartNumber: 88894219
    OEM 1991 GMC K2500 Piston Ring Set - 88894219
    Product Specifications
    • Notes: All Models; W/Deep Oil Groove; All Models; 5.7l
    • Other Names: Piston Ring Set, Piston Rings
    • Item Dimensions: 4.8 x 4.7 x 0.6 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 14089025
    • Part Description: 1991 GMC K2500 Piston Ring Set
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    $54.06 MSRP: $85.86
    You Save: $31.80 (38%)
  • Sealed Power Premium Piston Ring Set W O Coating for 1991 GMC K2500 - E-377X

    Sealed Power® Premium Piston Ring Set W O Coating for 1991 GMC K2500

    PartNumber: E-377X
    Product Specifications
    • Notes: Standard;.165" shallow oil ring groove; Standard Size; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); Grey Iron w/Phosphate top ring; Grey Iron w/Phosphate Coating 2nd ring
    • Bore Diameter: 4.000"
    • Cylinder Quantity: 8
    • Outside Diameter: 4.000"
    • Package Alert: Full Set
    • Ring Material: Iron
    • Size: Standard
    • UPC: 053059139559
    • Part Description: 1991 GMC K2500 Premium Piston Ring Set W O Coating
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.7L
    $55.81
  • Sealed Power A Series Aluminum Crankshaft Main Bearing Set for 1991 GMC K2500 - 4400MA

    Sealed Power® A Series Aluminum Crankshaft Main Bearing Set for 1991 GMC K2500

    PartNumber: 4400MA
    Product Specifications
    • Notes: Standard Size; A-Series aluminum bearings
    • Material: A-Series Aluminum Bearings
    • Package Alert: Full set
    • Part Material: A-Series Aluminum
    • Set Type: Main Set
    • Size: Standard
    • Sizes: Standard-1-2-10-20-30-40
    • UPC: 614046636088
    • Part Description: 1991 GMC K2500 A Series Aluminum Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 7.4L
    $55.79
  • OEM 1991 GMC K2500 Piston Kit-(Includes Rings) Std Diagram - 12455573
    View Related Parts

    OEM (Genuine) 1991 GMC K2500 Piston Kit-(Includes Rings) Std

    PartNumber: 12455573
    OEM 1991 GMC K2500 Piston Kit-(Includes Rings) Std - 12455573
    Product Specifications
    • Notes: All Models; 5.0l
    • Other Names: Piston, Piston Assembly
    • Item Dimensions: 7.1 x 6.6 x 4.6 inches
    • Item Weight: 1.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 14094013
    • Part Description: 1991 GMC K2500 Piston Kit-(Includes Rings) Std
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.0 L GAS
    $65.87 MSRP: $132.83
    You Save: $66.96 (51%)
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