88  products about 1991 GMC C1500 Valves, Valve Covers & Valvetrain Components found
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Make sure this part fits,  Select Vehicle Product Specifications Color: Black Height: 4.5" Installation Hardware Included: Yes Item Grade: Standard Replacement Length: 6.5" Material: Stamped Steel Oil Filler Cap Included: No Package Contents: Valve Cover, RTV Gasket Maker and Mounting Bolts UPC: 019495451396 Valve Cover Type: Standard Width: 21.5" Part Description: 1991 GMC C1500 OE Solutions Passenger Side Valve Cover Kit More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 8 Cyl 6.2L Make sure this part fits,  Select Vehicle Product Specifications Complete: Y Contains Applications: Y Gasket Color: Color May Vary Gasket Material: Fiber And Metal Grade Type: Regular Meets or Exceeds OEM Specs: Y Release Wave: 12/15/2017 UPC: 023913641726 Part Description: 1991 GMC C1500 Engine Gasket Set More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 8 Cyl 5.7L Make sure this part fits,  Select Vehicle Product Specifications Notes: Hydraulic Roller Lifters Note: O.E. Replacement UPC: 724956564873 Part Description: 1991 GMC C1500 Hydraulic Roller Valve Lifter More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 6 Cyl 4.3L Make sure this part fits,  Select Vehicle Product Specifications Complete: Y Contains Applications: Y Material: Molded Rubber And Metal Release Wave: 12/15/2017 UPC: 023913648343 Part Description: 1991 GMC C1500 Engine Gasket Set More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 6 Cyl 4.3L Make sure this part fits,  Select Vehicle Product Specifications Notes: without Cylinder Head Bolts;Replacement Reqd. Complete: Y Configuration: Multi Piece Contains Applications: Y Cylinder Bore Diameter: 4.000 Gasket Material: Fiber And Metal Gasket Minimum Thickness: 0.045 Gasket Sealant Included: Y Grade Type: Regular Meets or Exceeds OEM Specs: Y Release Wave: 12/15/2017 UPC: 023913647360 Part Description: 1991 GMC C1500 Cylinder Head Gasket Set More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 8 Cyl 5.7L Make sure this part fits,  Select Vehicle $37.30  MSRP: $61.75 
You Save: $24.45 (40%)
Product Specifications Notes:   All Models Other Names:   Valve Lifters Item Dimensions:   8.8 x 3.1 x 1.1 inches Item Weight:   2.20 Pounds Fitment Type:   Direct Replacement Replaces:   5234670, 05234670 Part Description:   1991 GMC C1500 Valve Lifters More Info Vehicle Fitment 1991 GMC C1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS Make sure this part fits,  Select Vehicle Product Specifications Complete: Y Contains Applications: Y Gasket Type: Gasket Grade Type: Regular Inside Diameter: 0.339 Material: Metal And Rubber Meets or Exceeds OEM Specs: y Outside Diameter: 0.725 Release Wave: 05/31/2018 Sealing Surface Type: Positive Thickness: 0.409 UPC: 023913658670 Part Description: 1991 GMC C1500 Exhaust Valve Stem Oil Seal Set More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 8 Cyl 6.2L Make sure this part fits,  Select Vehicle Product Specifications Notes: without Cylinder Head Bolts;Severe Duty;Replacement Reqd. Complete: Y Configuration: One Piece Contains Applications: Y Cylinder Bore Diameter: 3.900 Gasket Sealant Included: N Grade Type: Regular Material: Composite Meets or Exceeds OEM Specs: Y Release Wave: 08/31/2018 Thickness: 0.042 UPC: 023913669447 Part Description: 1991 GMC C1500 Engine Cylinder Head Gasket More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 8 Cyl 5.0L Make sure this part fits,  Select Vehicle Product Specifications Notes: Molded Rubber;For Servicing Both Valve Covers Color: Color May Vary Configuration: Two Piece Grade Type: Regular Length: 18.6950" Material: Molded Rubber Thickness: 0.2050" Width: 4.7800" Part Description: 1991 GMC C1500 Valve Cover Gasket Set More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 8 Cyl 5.0L 1991 GMC C1500 | All Trims | 8 Cyl 5.7L Make sure this part fits,  Select Vehicle Product Specifications Notes: Standard Design;without Cylinder Head Bolts;Replacement Reqd. Complete: Y Configuration: One Piece Contains Applications: Y Gasket Sealant Included: N Grade Type: Regular Material: Composite - Graphite Meets or Exceeds OEM Specs: Y Release Wave: 12/15/2017 Thickness: 0.050 UPC: 023913666989 Part Description: 1991 GMC C1500 Standard Design Cylinder Head Gasket More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 8 Cyl 5.0L Make sure this part fits,  Select Vehicle Product Specifications Notes: 4.125in Bore Diameter;without Cylinder Head Bolts;Replacement Reqd; Thickness: .0388in - .0452in Bore Diameter: 4.125" Thickness: 0.0388"- 0.0452" UPC: 023913666811 Part Description: 1991 GMC C1500 Cylinder Head Gasket More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 8 Cyl 5.7L Make sure this part fits,  Select Vehicle $37.30  MSRP: $61.75 
You Save: $24.45 (40%)
Product Specifications Notes:   All Models Other Names:   Valve Lifters Item Dimensions:   8.8 x 3.1 x 1.1 inches Item Weight:   2.20 Pounds Fitment Type:   Direct Replacement Replaces:   5234670, 05234670 Part Description:   1991 GMC C1500 Valve Lifters More Info Vehicle Fitment 1991 GMC C1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS Make sure this part fits,  Select Vehicle Product Specifications Color: Color May Vary Configuration: One Piece Material: Molded Rubber Thickness: 0.2900" UPC: 023913664985 Width: 4.7500" Part Description: 1991 GMC C1500 Valve Cover Gasket More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 8 Cyl 5.0L 1991 GMC C1500 | All Trims | 8 Cyl 5.7L Make sure this part fits,  Select Vehicle Product Specifications Notes: without Cylinder Head Bolts;Standard Design;Composite; Replacement Reqd. Complete: Y Configuration: One Piece Contains Applications: Y Gasket Sealant Included: N Grade Type: Regular Material: Composite - Graphite Meets or Exceeds OEM Specs: Y Release Wave: 12/15/2017 Thickness: 0.045 UPC: 023913667771 Part Description: 1991 GMC C1500 Standard Design Cylinder Head Gasket More Info Vehicle Fitment 1991 GMC C1500 | All Trims | 6 Cyl 4.3L Make sure this part fits,  Select Vehicle $14.16  MSRP: $23.93 
You Save: $9.77 (41%)
Product Specifications Notes:   All Models Other Names:   Push Rod, Valve Lifters Item Dimensions:   2.9 x 1.1 x 1.1 inches Item Weight:   2.00 Pounds Fitment Type:   Direct Replacement Part Description:   1991 GMC C1500 Push Rods More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $14.16  MSRP: $23.93 
You Save: $9.77 (41%)
Product Specifications Notes:   All Models Other Names:   Push Rod, Valve Lifters Item Dimensions:   2.9 x 1.1 x 1.1 inches Item Weight:   2.00 Pounds Fitment Type:   Direct Replacement Part Description:   1991 GMC C1500 Push Rods More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $23.24  MSRP: $38.47 
You Save: $15.23 (40%)
Product Specifications Notes:   All Models Other Names:   Valve Cover Gasket Item Dimensions:   20.3 x 5.4 x 0.3 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Part Description:   1991 GMC C1500 Valve Cover Gasket More Info Vehicle Fitment 1991 GMC C1500 | Sierra, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $23.24  MSRP: $38.47 
You Save: $15.23 (40%)
Product Specifications Notes:   All Models Other Names:   Valve Cover Gasket Item Dimensions:   20.3 x 5.4 x 0.3 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Part Description:   1991 GMC C1500 Valve Cover Gasket More Info Vehicle Fitment 1991 GMC C1500 | Sierra, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $20.39  MSRP: $32.40 
You Save: $12.01 (38%)
Product Specifications Notes:   All Models; All Models; 5.7l Other Names:   Intake Valve, Valves Item Dimensions:   8.2 x 3.2 x 3.2 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Replaces:   14025572, 14075641 Part Description:   1991 GMC C1500 Valves More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $20.39  MSRP: $32.40 
You Save: $12.01 (38%)
Product Specifications Notes:   All Models; All Models; 5.7l Other Names:   Intake Valve, Valves Item Dimensions:   8.2 x 3.2 x 3.2 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Replaces:   14025572, 14075641 Part Description:   1991 GMC C1500 Valves More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $22.21  MSRP: $35.28 
You Save: $13.07 (38%)
Product Specifications Notes:   All Models Other Names:   Exhaust Valve, Valves Item Dimensions:   5.4 x 2.2 x 2.2 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Replaces:   14088641, 14095451 Replaced by:   19435238 Part Description:   1991 GMC C1500 Valves More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $22.21  MSRP: $35.28 
You Save: $13.07 (38%)
Product Specifications Notes:   All Models Other Names:   Exhaust Valve, Valves Item Dimensions:   5.4 x 2.2 x 2.2 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Replaces:   14088641, 14095451 Replaced by:   19435238 Part Description:   1991 GMC C1500 Valves More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $19.76  MSRP: $32.68 
You Save: $12.92 (40%)
Product Specifications Notes:   All Models Other Names:   Rocker Arms Item Dimensions:   4.3 x 2.3 x 2.2 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Part Description:   1991 GMC C1500 Rocker Arms More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL Make sure this part fits,  Select Vehicle $82.41  MSRP: $136.41 
You Save: $54.00 (40%)
Product Specifications Other Names:   Valve Cover Item Dimensions:   21.7 x 6.4 x 2.5 inches Item Weight:   2.20 Pounds Fitment Type:   Direct Replacement Replaced by:   19419224 Part Description:   1991 GMC C1500 Cover-Valve Rocker Arm (LH) More Info Make sure this part fits,  Select Vehicle $8.94  MSRP: $14.18 
You Save: $5.24 (37%)
Product Specifications Notes:   All Models Other Names:   Valve Spring Item Dimensions:   5.5 x 2.2 x 2.1 inches Item Weight:   1.50 Pounds Fitment Type:   Direct Replacement Replaced by:   94666580 Part Description:   1991 GMC C1500 Valve Springs More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $78.27  MSRP: $129.56 
You Save: $51.29 (40%)
Product Specifications Notes:   All Models; Left Bank Other Names:   Valve Cover Item Dimensions:   24.3 x 7.7 x 4.1 inches Item Weight:   3.20 Pounds Fitment Type:   Direct Replacement Replaces:   10228271 Part Description:   1991 GMC C1500 Valve Cover More Info Vehicle Fitment 1991 GMC C1500 | Sierra, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $101.09  MSRP: $160.51 
You Save: $59.42 (38%)
Product Specifications Notes:   All Models; Right Bank Other Names:   Valve Cover Item Dimensions:   6.3 x 4.1 x 22.7 inches Item Weight:   2.90 Pounds Fitment Type:   Direct Replacement Replaces:   10228279, 10211648 Part Description:   1991 GMC C1500 Valve Cover More Info Vehicle Fitment 1991 GMC C1500 | Sierra, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $3.34  MSRP: $5.29 
You Save: $1.95 (37%)
Product Specifications Notes:   All Models Other Names:   Valve Retainer, Valve Spring Retainers Item Dimensions:   1.8 x 3.3 x 2.8 inches Item Weight:   0.70 Pounds Fitment Type:   Direct Replacement Part Description:   1991 GMC C1500 Valve Spring Retainers More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL Make sure this part fits,  Select Vehicle $16.62  MSRP: $26.37 
You Save: $9.75 (37%)
Product Specifications Notes:   All Models Other Names:   Push Rod Item Dimensions:   10.5 x 1.3 x 0.4 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Part Description:   1991 GMC C1500 Push Rods More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS Make sure this part fits,  Select Vehicle $27.59  MSRP: $43.85 
You Save: $16.26 (38%)
Product Specifications Notes:   All Models Other Names:   Rocker Arms Item Dimensions:   4.1 x 2.1 x 2.2 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Replaces:   12528897 Part Description:   1991 GMC C1500 Rocker Arms More Info Vehicle Fitment 1991 GMC C1500 | Base, High Sierra, Sierra, Sierra Classic, Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS