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Replacement and OEM Parts for 1991 Mercury Grand Marquis Crankshafts, Pistons, Rings & Connecting Rods

1991 Mercury Grand Marquis Crankshafts, Pistons, Rings & Connecting Rods

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Engine & Drivetrain

24 products about 1991 Mercury Grand Marquis Crankshafts, Pistons, Rings & Connecting Rods found

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  • OEM 1991 Mercury Grand Marquis Timing Cover Front Seal Diagram - E6DZ-6700-A
    View Related Parts

    OEM (Genuine) 1991 Mercury Grand Marquis Timing Cover Front Seal

    PartNumber: E6DZ-6700-A
    OEM 1991 Mercury Grand Marquis Timing Cover Front Seal - E6DZ-6700-A
    Product Specifications
    • Notes: All Models
    • Item Dimensions: 9.3 x 6.7 x 1.5 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 Mercury Grand Marquis Timing Cover Front Seal
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
    $22.96 MSRP: $33.00
    You Save: $10.04 (31%)
  • Sealed Power Premium Piston Ring Set With Coating for 1991 Mercury Grand Marquis - E-458K

    Sealed Power® Premium Piston Ring Set With Coating for 1991 Mercury Grand Marquis

    PartNumber: E-458K
    Product Specifications
    • Notes: Premium;Standard Size; Ring Groove Widths: 1.5, 1.5, 4.0 (mm); Ductile Iron w/Plasma Moly top ring; Grey Iron 2nd ring
    • Bore Diameter: 4.000"
    • Cylinder Quantity: 8
    • Outside Diameter: 4.000"
    • Package Alert: Full Set
    • Ring Material: Premium Moly
    • Size: Standard
    • UPC: 053059144669
    • Part Description: 1991 Mercury Grand Marquis Premium Piston Ring Set With Coating
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $86.49
  • Victor Reinz Rear Crankshaft Seal for 1991 Mercury Grand Marquis - 19-10073-01

    Victor Reinz® Rear Crankshaft Seal for 1991 Mercury Grand Marquis

    PartNumber: 19-10073-01
    Product Specifications
    • Notes: 1 Piece;PTFE; Rear
    • Material: PTFE
    • UPC: 023913753894
    • Part Description: 1991 Mercury Grand Marquis Rear Crankshaft Seal
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | All Engines
    $24.85
  • SKF Rear Crankshaft Seal for 1991 Mercury Grand Marquis - 36147

    SKF® Rear Crankshaft Seal for 1991 Mercury Grand Marquis

    PartNumber: 36147
    Product Specifications
    • Quantity Per Application: 1
    • UPC: 085311176552
    • Part Description: 1991 Mercury Grand Marquis Rear Crankshaft Seal
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $16.81
  • Sealed Power Premium Piston Ring Set W O Coating for 1991 Mercury Grand Marquis - E-458X

    Sealed Power® Premium Piston Ring Set W O Coating for 1991 Mercury Grand Marquis

    PartNumber: E-458X
    Product Specifications
    • Notes: Standard;Standard Size; Ring Groove Widths: 1.5, 1.5, 4.0 (mm); Grey Iron top ring; Grey Iron 2nd ring
    • Bore Diameter: 4.000"
    • Cylinder Quantity: 8
    • Outside Diameter: 4.000"
    • Package Alert: Full Set
    • Ring Material: Iron
    • Size: Standard
    • UPC: 087674947213
    • Part Description: 1991 Mercury Grand Marquis Premium Piston Ring Set W O Coating
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $80.81
  • Sealed Power Premium Piston Ring Set With Coating for 1991 Mercury Grand Marquis - E-251K

    Sealed Power® Premium Piston Ring Set With Coating for 1991 Mercury Grand Marquis

    PartNumber: E-251K
    Product Specifications
    • Notes: Premium;Steel Top Ring;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: 1991 Mercury Grand Marquis Premium Piston Ring Set With Coating
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $55.96
  • Sealed Power Connecting Rod Bearing Set for 1991 Mercury Grand Marquis - 8-2600A

    Sealed Power® Connecting Rod Bearing Set for 1991 Mercury Grand Marquis

    PartNumber: 8-2600A
    Product Specifications
    • Notes: Standard Size; A-Series aluminum bearings
    • Housing Bore Max: 2.2398"
    • Housing Bore Min: 2.2390"
    • Oil Clearance Max: 0.0022"
    • Oil Clearance Min: 0.0005"
    • Overall Length Max: 18.440
    • Package Alert: Full set
    • Part Material: A-Series Aluminum
    • Size: Standard
    • Standard Shaft Max: 2.1236"
    • Standard Shaft Min: 53.919
    • UPC: 614046379466
    • Wall Thickness Max: 1.466
    • Part Description: 1991 Mercury Grand Marquis Connecting Rod Bearing Set
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $42.53
  • Sealed Power Connecting Rod Bearing Set for 1991 Mercury Grand Marquis - 8-2600CP

    Sealed Power® Connecting Rod Bearing Set for 1991 Mercury Grand Marquis

    PartNumber: 8-2600CP
    Product Specifications
    • Notes: Standard Size; 8-2600CA 60 avail-as-unplated & resizeable
    • Housing Bore Max: 56.891
    • Housing Bore Min: 56.871
    • Material: Overplated Copper-Lead Alloy
    • Oil Clearance Max: 0.056
    • Oil Clearance Min: 0.0005"
    • Overall Length Max: 18.440
    • Package Alert: Full set
    • Part Material: Steel Backed Overplated Bronze Alloy
    • Set Type: Rod Set
    • Size: Standard
    • Sizes: Standard-1-10-20-30-40
    • Standard Shaft Max: 2.1236"
    • Standard Shaft Min: 53.919
    • UPC: 724956186464
    • Wall Thickness Max: 1.466
    • Part Description: 1991 Mercury Grand Marquis Connecting Rod Bearing Set
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $42.53
  • Sealed Power Steel Backed Overplated Bronze Alloy Crankshaft Main Bearing Set for 1991 Mercury Grand Marquis - 4125M

    Sealed Power® Steel Backed Overplated Bronze Alloy Crankshaft Main Bearing Set for 1991 Mercury Grand Marquis

    PartNumber: 4125M
    Product Specifications
    • Notes: Standard Size; Incl. contoured design thrust brg.
    • Package Alert: Full set
    • Part Material: Steel Backed Overplated Bronze Alloy
    • Size: Standard
    • UPC: 724956117659
    • Part Description: 1991 Mercury Grand Marquis Steel Backed Overplated Bronze Alloy Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $41.86
  • Sealed Power A Series Crankshaft Main Bearing Set for 1991 Mercury Grand Marquis - 4125MA

    Sealed Power® A Series Crankshaft Main Bearing Set for 1991 Mercury Grand Marquis

    PartNumber: 4125MA
    Product Specifications
    • Notes: Standard Size; A-Series aluminum bearings; Incl. contoured design thrust brg.
    • Package Alert: Full set
    • Part Material: A-Series Aluminum
    • Size: Standard
    • UPC: 614046379381
    • Part Description: 1991 Mercury Grand Marquis A Series Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $41.86
  • Sealed Power Premium Piston Ring Set W O Coating for 1991 Mercury Grand Marquis - E-251X

    Sealed Power® Premium Piston Ring Set W O Coating for 1991 Mercury Grand Marquis

    PartNumber: E-251X
    Product Specifications
    • Notes: Standard;Use w/H654P piston; 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: 1991 Mercury Grand Marquis Premium Piston Ring Set W O Coating
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $41.36
  • Sealed Power Duroshield Flat Top Cast Piston for 1991 Mercury Grand Marquis - H273CP

    Sealed Power® Duroshield Flat Top Cast Piston for 1991 Mercury Grand Marquis

    PartNumber: H273CP
    Product Specifications
    • Notes: Perf. or reg. duty operation; Standard Size; Hypereutectic; 3 Ring Groove Piston; Ring Groove Widths: 5/64, 5/64, 3/16 (in.); 1.605 CD; Flat, 4 reliefs; DUROSHIELD skirt coated piston
    • Bore: 4"
    • Compression Distance: 1.605"
    • Dome Volume CC: -8
    • Head Illustration: 183
    • Lock Ring: Included
    • Material: Hypereutectic
    • Minimum Clearance: 0.0015
    • Pin Diameter: 0.912"
    • Pin Offset: 0.06"
    • Pin Type: F
    • Pin Weight Gram: 152
    • Ring 1 Qty: 2
    • Ring 1 Width: 5/64"
    • Ring 2 Qty: 1
    • Ring 2 Width: 3/16"
    • Size: Standard
    • UPC: 614046227095
    • Weight W Pin Gram: 731
    • Weight w/o Pin Gram: 579
    • Part Description: 1991 Mercury Grand Marquis Duroshield Flat Top Cast Piston
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $22.86
  • Sealed Power Premium Piston Ring Set With Coating for 1991 Mercury Grand Marquis - WE-251K

    Sealed Power® Premium Piston Ring Set With Coating for 1991 Mercury Grand Marquis

    PartNumber: WE-251K
    Product Specifications
    • Notes: Premium;Use w/WH654P piston; Standard Size; 2-5/64, 1-3/16; Single Cylinder Set
    • Package Alert: Single Set
    • Ring Material: Premium Moly
    • Size: Standard
    • UPC: 019826064882
    • Part Description: 1991 Mercury Grand Marquis Premium Piston Ring Set With Coating
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $10.37
  • Sealed Power Connecting Rod Bearing Set for 1991 Mercury Grand Marquis - 2600A

    Sealed Power® Connecting Rod Bearing Set for 1991 Mercury Grand Marquis

    PartNumber: 2600A
    Product Specifications
    • Notes: Standard Size; A-Series aluminum bearings
    • Housing Bore Max: 2.2398"
    • Housing Bore Min: 2.2390"
    • Oil Clearance Max: 0.056
    • Oil Clearance Min: 0.0005"
    • Overall Length Max: 0.7260"
    • Part Material: A-Series Aluminum
    • Size: Standard
    • Standard Shaft Max: 2.1236"
    • Standard Shaft Min: 2.1228"
    • UPC: 614046630291
    • Wall Thickness Max: 1.466
    • Part Description: 1991 Mercury Grand Marquis Connecting Rod Bearing Set
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    $6.06
  • National Front Crankshaft Repair Sleeve for 1991 Mercury Grand Marquis - 99187

    National® Front Crankshaft Repair Sleeve for 1991 Mercury Grand Marquis

    PartNumber: 99187
    Product Specifications
    • Flanged Outside Diameter: 2.203"
    • Installation Depth: 1.000"
    • Material: Stainless Steel
    • Overall Width: 17.480 mm
    • Shaft Size Maximum: 1.878"
    • Shaft Size Minimum: 47.550 mm
    • Width on Shaft: 0.563"
    • Part Description: 1991 Mercury Grand Marquis Front Crankshaft Repair Sleeve
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | 8 Cyl 5.0L
    • 1991 Mercury Grand Marquis | All Trims | All Engines
    $25.98
  • National Front Crankshaft Repair Sleeve for 1991 Mercury Grand Marquis - 99199

    National® Front Crankshaft Repair Sleeve for 1991 Mercury Grand Marquis

    PartNumber: 99199
    Product Specifications
    • Flanged Outside Diameter: 61.110 mm
    • Installation Depth: 1.000"
    • Material: Stainless Steel
    • Overall Width: 0.688"
    • Shaft Size Maximum: 2.003"
    • Shaft Size Minimum: 1.997"
    • Width on Shaft: 14.300 mm
    • Part Description: 1991 Mercury Grand Marquis Front Crankshaft Repair Sleeve
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | All Trims | All Engines
    $28.30
  • OEM 1991 Mercury Grand Marquis Piston Ring Set Diagram - F2ZZ6148A
    View Related Parts

    OEM (Genuine) 1991 Mercury Grand Marquis Piston Ring Set

    PartNumber: F2ZZ6148A
    OEM 1991 Mercury Grand Marquis Piston Ring Set - F2ZZ6148A
    Product Specifications
    • Notes: All Models
    • Other Names: Piston Ring Set, Piston Rings
    • Fitment Type: Direct Replacement
    • Part Description: 1991 Mercury Grand Marquis Piston Ring Set
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
    $42.67 MSRP: $58.31
    You Save: $15.64 (27%)
  • OEM 1991 Mercury Grand Marquis Bearings Diagram - C2OZ-6211-R
    View Related Parts

    OEM (Genuine) 1991 Mercury Grand Marquis Bearings

    PartNumber: C2OZ-6211-R
    OEM 1991 Mercury Grand Marquis Bearings - C2OZ-6211-R
    Product Specifications
    • Notes: All Models; 5.0l
    • Other Names: Bearing, Bearings, Connecting Rod Bearing
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 Mercury Grand Marquis Bearings
    More Info
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS
  • OEM 1991 Mercury Grand Marquis Engine Main Bearing Diagram - C2OZ6A251A
    View Related Parts

    OEM (Genuine) 1991 Mercury Grand Marquis Engine Main Bearing

    PartNumber: C2OZ6A251A
    OEM 1991 Mercury Grand Marquis Engine Main Bearing - C2OZ6A251A
    Product Specifications
    • Notes: Complete Set; All Models
    • Part Description: 1991 Mercury Grand Marquis Engine Main Bearing
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
  • OEM 1991 Mercury Grand Marquis Crankshaft Pulley Diagram - E1AZ6A312A
    View Related Parts

    OEM (Genuine) 1991 Mercury Grand Marquis Crankshaft Pulley

    PartNumber: E1AZ6A312A
    OEM 1991 Mercury Grand Marquis Crankshaft Pulley - E1AZ6A312A
    Product Specifications
    • Notes: All Models; W/AC
    • Part Description: 1991 Mercury Grand Marquis Crankshaft Pulley
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
  • OEM 1991 Mercury Grand Marquis Crankshaft Seal Diagram - E1SZ6701A
    View Related Parts

    OEM (Genuine) 1991 Mercury Grand Marquis Crankshaft Seal

    PartNumber: E1SZ6701A
    OEM 1991 Mercury Grand Marquis Crankshaft Seal - E1SZ6701A
    Product Specifications
    • Notes: All Models; 5.0l; From 2/16/87
    • Part Description: 1991 Mercury Grand Marquis Crankshaft Seal
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | GS, LS | 8 Cyl 5.0 L GAS
  • OEM 1991 Mercury Grand Marquis Piston Diagram - E6AZ6108A
    View Related Parts

    OEM (Genuine) 1991 Mercury Grand Marquis Piston

    PartNumber: E6AZ6108A
    OEM 1991 Mercury Grand Marquis Piston - E6AZ6108A
    Product Specifications
    • Notes: All Models; 5.0l; Red
    • Part Description: 1991 Mercury Grand Marquis Piston
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS
  • OEM 1991 Mercury Grand Marquis Piston Diagram - F2ZZ6108BB
    View Related Parts

    OEM (Genuine) 1991 Mercury Grand Marquis Piston

    PartNumber: F2ZZ6108BB
    OEM 1991 Mercury Grand Marquis Piston - F2ZZ6108BB
    Product Specifications
    • Notes: All Models; 5.0l; Blue
    • Part Description: 1991 Mercury Grand Marquis Piston
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS
  • OEM 1991 Mercury Grand Marquis Engine Main Bearing Diagram - XW7Z6D309CVA
    View Related Parts

    OEM (Genuine) 1991 Mercury Grand Marquis Engine Main Bearing

    PartNumber: XW7Z6D309CVA
    OEM 1991 Mercury Grand Marquis Engine Main Bearing - XW7Z6D309CVA
    Product Specifications
    • Notes: All Models; 5.0l; Lower; Center;All Models; 5.0l; Lower; Front & Rear;All Models; 5.0l; Lower; No. 2 & 4;All Models; 5.0l; Upper; Center;All Models; 5.0l; Upper; Front & Rear;All Models; 5.0l; Upper; No. 2 & 4
    • Part Description: 1991 Mercury Grand Marquis Engine Main Bearing
    Vehicle Fitment
    • 1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS