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  • Triumph Bottom Engine/Frame Mounting Stud/Bolt 1973-78 PN# 21-2112

Triumph Bottom Engine/Frame Mounting Stud/Bolt 1973-78 PN# 21-2112

$20.93 $25.96
Restore your classic Triumph motorcycle with confidence using the genuine Triumph part number 21-2112. This OEM bolt is manufactured to original factory specifications, ensuring a precise fit and reliable performance for your vintage British bike. The 21-2112 bolt is specifically designed for engine and frame applications on Triumph 750 models, including the Bonneville T140V and Tiger TR7RV from the early 1970s. Made from high-quality materials for durability and corrosion resistance, this bolt is essential for secure assembly and long-term maintenance of your motorcycle. Ideal for restorations or routine repairs, the 21-2112 bolt delivers the authenticity and dependability demanded by Triumph enthusiasts and collectors alike. Always verify compatibility with your specific model and year before installation. The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.
Bolts

Bolts

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  • Triumph Hex Head Rear Crankcase Bolt 5/16-inch-18 x 2-1/2-inch PN# 21-1869
    $10.84 $15.93
  • Allen Head Screw 1/4-20 x 7/8″ PN# 14-6607 AH
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  • Triumph 650 750 T120 T140 etc Complete Engine Bolt Set 1971-82 PN# TBS-0121 A
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  • Triumph 5/16″-24 x 3-3/4″ Crankcase Stud PN# 21-1823
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  • Allen Head Screw 2BA x 1/2″ SHCS S/S PN# 70-7354 AH S
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  • Triumph 650 TR6R T120R Complete Engine Crankcase Bolt and Stud Kit 1967–1968 PN# TBS-0118 A
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    $34.43 $45.79
  • Triumph Hex Head Crankcase Bolt 5/16-inch-18 x 1-7/8-inch PN# 21-1870 S1870
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  • Triumph T120 T140 5/16″ x 2-1/2″ UNC Crankcase Bolt PN# 14-6223
    $19.79 $31.66
  • Triumph 650 T120/TR6/Tiger Trophy Complete Crankcase Engine Bolt Set 1969–1970 PN# TBS-0119 A
    $43.2 $61.34
  • Triumph T90/T100 Outer Cylinder Head Bolt 3/8″ x 2-3/4″ 26TPI 1957–1974 PN# 70-4456
    $12.16 $22.74
  • Triumph 5/16″-18 x 4-3/8″ Hex Head Crankcase Fixing Bolt PN# 14-0230
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  • Triumph Phillips Head Screw 1/4-20 x 1 1/8 inch and 1/2 inch shoulder PN# 21-1916
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