65 products about 1988 GMC R2500 Crankshafts, Pistons, Rings & Connecting Rods foundVEHICLE SPECIFIC Product Specifications Notes: All; 5.0l, 5.7l Item Dimensions: 6.7 x 5.3 x 0.6 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Part Description: 1988 GMC R2500 Rear Main Seal Retainer More Info Vehicle Fitment 1988 GMC R2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS $31.77 MSRP: $52.61
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All; 5.0l, 5.7l; 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: 1988 GMC R2500 Bearings More Info Vehicle Fitment 1988 GMC R2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS $23.44 MSRP: $38.79
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Check Fit Add to CartVEHICLE SPECIFIC 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: 1988 GMC R2500 Premium Piston Ring Set With Coating More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 6.2L VEHICLE SPECIFIC 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: 1988 GMC R2500 Premium Piston Ring Set With Coating More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: 1 Piece;Rubber;Rear Material: Rubber UPC: 023913756062 Part Description: 1988 GMC R2500 Rear Crankshaft Seal Kit More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: w/GMC THM700-R4 Trans Part Description: 1988 GMC R2500 Automatic Transmission Torque Converter Repair Sleeve Vehicle Fitment 1988 GMC R2500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: All; 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: 1988 GMC R2500 Piston More Info Vehicle Fitment 1988 GMC R2500 | Base, High Sierra, Sierra Classic | 8 Cyl 6.2 L DIESEL $155.21 MSRP: $246.43
You Save: $91.22 (38%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Premium;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: 4.250" Cylinder Quantity: 8 Outside Diameter: 4.250" Package Alert: Full Set Ring Material: Premium Moly Size: Standard UPC: 053059130938 Part Description: 1988 GMC R2500 Premium Piston Ring Set With Coating More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Notes: All; 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: 1988 GMC R2500 Piston Ring Set More Info Vehicle Fitment 1988 GMC R2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS $55.52 MSRP: $88.18
You Save: $32.66 (38%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 1 Piece;PTFE; Rear Material: PTFE UPC: 023913754105 Part Description: 1988 GMC R2500 Rear Crankshaft Seal Kit More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC 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: 1988 GMC R2500 3 4 Grooved Crankshaft Main Bearing Set More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 6.2L VEHICLE SPECIFIC Product Specifications Notes: All Other Names: Piston Rings Item Dimensions: 4.8 x 4.7 x 0.6 inches Item Weight: 0.60 Pounds Fitment Type: Direct Replacement Part Description: 1988 GMC R2500 Piston Rings More Info Vehicle Fitment 1988 GMC R2500 | Base, High Sierra, Sierra Classic | 8 Cyl 6.2 L DIESEL $49.96 MSRP: $82.70
You Save: $32.74 (40%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2 Piece;Rubber;Rear Material: Rubber UPC: 023913754488 Part Description: 1988 GMC R2500 Rear Crankshaft Seal More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 6.2L VEHICLE SPECIFIC 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: 1988 GMC R2500 Premium Piston Ring Set With Coating More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: All; No. 3 Other Names: Bearing Item Dimensions: 4.3 x 4.1 x 2.2 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Part Description: 1988 GMC R2500 Bearings More Info Vehicle Fitment 1988 GMC R2500 | Base, High Sierra, Sierra Classic | 8 Cyl 6.2 L DIESEL $47.57 MSRP: $75.54
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Standard Size; A-Series aluminum bearings Oversize: Standard Package Alert: Full set Part Material: A-Series Aluminum Set Type: Main Set UPC: 614046632158 Part Description: 1988 GMC R2500 A Series Aluminum Crankshaft Main Bearing Set More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 6 Cyl 4.8L VEHICLE SPECIFIC Product Specifications Notes: 2 Piece;Rubber;Rear Material: Rubber UPC: 023913754198 Part Description: 1988 GMC R2500 Rear Crankshaft Seal More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Notes: All Other Names: Bearing Item Dimensions: 3.0 x 2.1 x 1.1 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Part Description: 1988 GMC R2500 Bearing Pkg-Rod (Std)(Service Pkg) More Info Vehicle Fitment 1988 GMC R2500 | Base, High Sierra, Sierra Classic | 8 Cyl 7.4 L GAS $14.79 MSRP: $29.81
You Save: $15.02 (51%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2 Piece;Rubber;Double Lip; Rear Material: Rubber UPC: 023913755980 Part Description: 1988 GMC R2500 Rear Double Lip Crankshaft Seal More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 6 Cyl 4.8L VEHICLE SPECIFIC Product Specifications Notes: Standard;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: 4.250" Cylinder Quantity: 8 Outside Diameter: 4.250" Package Alert: Full Set Ring Material: Iron Size: Standard UPC: 053059131034 Part Description: 1988 GMC R2500 Premium Piston Ring Set W O Coating More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC 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: 1988 GMC R2500 Premium Piston Ring Set W O Coating More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC 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: 1988 GMC R2500 Aluminum Connecting Rod Bearing Set More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Notes: 305 & 350 Gas Engines;Inline 6 Cylinder Item Dimensions: 3.0 x 3.0 x 0.5 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaced by: 14090906 Part Description: 1988 GMC R2500 Cover Plate Seal More Info Vehicle Fitment 1988 GMC R2500 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS $20.15 MSRP: $38.03
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Check Fit Add to CartVEHICLE SPECIFIC 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: 1988 GMC R2500 A Series Aluminum Crankshaft Main Bearing Set More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Notes: All Item Dimensions: 3.7 x 3.7 x 0.6 inches Item Weight: 0.40 Pounds Replaced by: 10191640 Part Description: 1988 GMC R2500 Front Crank Seal More Info Vehicle Fitment 1988 GMC R2500 | Base, High Sierra, Sierra Classic | 8 Cyl 6.2 L DIESEL $18.22 MSRP: $34.37
You Save: $16.15 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Standard Size; Hypereutectic; 3 Ring Groove Piston; Ring Groove Widths: 3.00, 2.00, 4.00 (mm); 2.114 CD; Flat Head w/Ricardo Cup & Keystone top ring groove - 21.5:1 C.R.; DUROSHIELD skirt coated piston Bore: 3.9764" Compression Distance: 2.114" Dome Volume CC: -2 Head Illustration: 123 Lock Ring: Included Material: Hypereutectic Minimum Clearance: See Piston Fitting Information on carton label Pin Diameter: 30.998 mm Pin Type: F Pin Weight Gram: 175 Ring 1 Qty: 1 Ring 1 Width: 3.00mm Ring 2 Qty: 1 Ring 2 Width: 2.00mm Ring 3 Qty: 1 Ring 3 Width: 4.00mm Size: Standard UPC: 614046227996 Weight W Pin Gram: 816 Weight w/o Pin Gram: 641 Part Description: 1988 GMC R2500 Flat Top Piston More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 6.2L VEHICLE SPECIFIC Product Specifications Notes: All Other Names: Front Crank Seal Item Dimensions: 3.7 x 3.6 x 0.6 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Replaced by: 10191640 Part Description: 1988 GMC R2500 Front Crank Seal More Info Vehicle Fitment 1988 GMC R2500 | Base, High Sierra, Sierra Classic | 8 Cyl 7.4 L GAS $18.22 MSRP: $34.37
You Save: $16.15 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Premium;Steel Top Ring;.200" deep oil ring groove; Standard Size; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); Grey Iron w/Phosphate Coating 2nd ring Bore Diameter: 101.60 mm Cylinder Quantity: 8 Outside Diameter: 4.000" Package Alert: Full Set Ring Material: Premium Moly Size: Standard UPC: 053059132604 Part Description: 1988 GMC R2500 Premium Piston Ring Set With Coating More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: Standard;.200" deep 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: 053059132727 Part Description: 1988 GMC R2500 Premium Piston Ring Set W O Coating More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: Standard Size Material: Overplated Copper-Lead Alloy Oversizes: Standard Package Alert: Full set Part Material: Steel Backed Overplated Bronze Alloy Set Type: Main Set UPC: 724956135493 Part Description: 1988 GMC R2500 Overplated Copper Lead Alloy Crankshaft Main Bearing Set More Info Vehicle Fitment 1988 GMC R2500 | All Trims | 8 Cyl 5.7L