1961 GMC 2500 Series National Bearing Parts

Choose your Engine for your 1961 GMC 2500 Series


Showing 1 - 10 of 19 products
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National Bearing
  • Man Transmission Input Shaft Seal
  • National 7412S Man Transmission Input Shaft Seal
  • Product Attributes:
    • Inside Diameter:
      • 1.250
      • 31.750
    • Shaft (Inch): 1.250
    • Helix Type: Clockwise-spiral Lip Design
    • Width (Inch): 0.250
    • Unit of Dimension: Inch
    • Housing Bore (Inch): 1.750
    • Outside Diameter:
      • 1.754
      • 44.550
    • Outside Diameter (Inch): 1.754
    • Redicoat: Yes
    • Shaft (MM): 31.750
    • Part Description: Oil Seal
  • National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

This Part Fits the Following OEM/Substitute Numbers:
04626515, 06106, 12303044, 12355, 12363, 12425, 15502, 15527558, 15635337, 15635377, 19206241, 1R12-41-10525, 1R33-7052-AA, 1R3Z-7052-AA, 2236978, 293-51, 3761933, 3987936...VIEW MORE

Additional Fitment Information:
Vehicle Transmission Trans. Speed Transmission Manuf. Code
1961 - GMC 2500 Series Manual 4 SM420

National Bearing
  • Crankshaft Seal
  • National 9845 Crankshaft Seal
  • Product Attributes:
    • Inside Diameter:
      • 1.763
      • 44.780
    • Shaft (Inch): 1.763
    • Helix Type: Clockwise-spiral Lip Design
    • Width (Inch): 0.375
    • Unit of Dimension: Inch
    • Housing Bore (Inch): 2.409
    • Outside Diameter:
      • 2.416
      • 61.370
    • Outside Diameter (Inch): 2.416
    • Redicoat: Yes
    • Shaft (MM): 44.780
    • Part Description: Oil Seal
  • National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

This Part Fits the Following OEM/Substitute Numbers:
07042962, 09110, 10036286, 10111769, 10243247, 10243965, 12043247, 12303604, 14033199, 14076303, 15-00106, 15527588, 17280, 17286, 17775, 211-6232, 295-24, 296-04...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1961 - GMC 2500 Series V 4638 Front 8 Cyl 4.6L 283

National Bearing
  • Redi-sleeve
  • National 99176 Redi-sleeve
  • Product Attributes:
    • Width on Shaft (MM): 14.300
    • Shaft Size (Inch): 1.766
    • Installation Depth (Inch): 0.813
    • Shaft Size Minimum (Inch): 1.761
    • Overall Width (Inch): 0.688
    • Shaft Size Maximum (Inch): 1.767
    • Product Description: Repair Sleeve
    • Width on Shaft (Inch): 0.563
    • Flanged Outside Diameter (Inch): 2.063
    • Flanged Outside Diameter (MM): 52.400
    • Unit of Dimension: Inch
    • Installation Depth (MM): 20.650
    • Shaft Size Maximum (MM): 44.880
    • Shaft Size Minimum (MM): 44.730
    • Shaft Size (MM): 44.856
  • National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

This Part Fits the Following OEM/Substitute Numbers:
0704-7882, 66597RS, 99176, 99176RS, KWK99176, N99176, NN99176

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1961 - GMC 2500 Series V 4638 Front 8 Cyl 4.6L 283

National Bearing
  • Clutch Release Bearing Assembly
  • Bearing Assembly Sealed Self-Aligning Except Long Style
  • National 614018 Clutch Release Bearing Assembly
  • Product Attributes:
    • Design: Sealed Self-aligning
    • Width (Inch): 1.246
    • Bore (Inch): 1.378
    • Outside Diameter (Inch): 2.760
    • Part Description: Clutch Release Bearing Assembly
  • Designed to meet or exceed OE quality, premium-quality bearings from National® are manufactured to exacting standards to deliver lasting performance and extended bearing life.

This Part Fits the Following OEM/Substitute Numbers:
079466, 12351943, 15680264, 30-27200, 3724507, 614018, 614018SA, 614018SC, 900018, 907403, 907538, 907576, 907826, 907963, 908093, 908120, 908244, 908404...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Transmission Engine CID
1961 - GMC 2500 Series V 5012 Manual 6 Cyl 5.0L 305

National Bearing
  • Wheel Seal
  • with H052 Axle
  • National 2081 Wheel Seal
  • Product Attributes:
    • Inside Diameter:
      • 2.843
      • 72.210
    • Shaft (Inch): 2.843
    • Helix Type: Bi-directional Lip Design
    • Width (Inch): 0.495
    • Unit of Dimension: Inch
    • Housing Bore (Inch): 3.939
    • Outside Diameter:
      • 100.180
      • 3.944
    • Outside Diameter (Inch): 3.944
    • Redicoat: Yes
    • Shaft (MM): 72.210
    • Part Description: Oil Seal
  • National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

This Part Fits the Following OEM/Substitute Numbers:
12304277, 15527652, 2081, 2620286, 28425, 28426, 28446, 291-12, 3680994, 3686563, 37222, 3742583, 3743202, 3828916, 3883386, 390-9063, 392-9063, 3974847...VIEW MORE

Additional Fitment Information:
Vehicle Position
1961 - GMC 2500 Series Rear Inner

National Bearing
  • Wheel Seal
  • with H072 Axle
  • National 2081 Wheel Seal
  • Product Attributes:
    • Inside Diameter:
      • 2.843
      • 72.210
    • Shaft (Inch): 2.843
    • Helix Type: Bi-directional Lip Design
    • Width (Inch): 0.495
    • Unit of Dimension: Inch
    • Housing Bore (Inch): 3.939
    • Outside Diameter:
      • 100.180
      • 3.944
    • Outside Diameter (Inch): 3.944
    • Redicoat: Yes
    • Shaft (MM): 72.210
    • Part Description: Oil Seal
  • National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

Additional Fitment Information:
Vehicle Position
1961 - GMC 2500 Series Rear Inner

National Bearing
  • Oil Seal
  • with GMC PowerGlide Transmission
  • National 6712NA Oil Seal
  • Product Attributes:
    • Shaft (Inch): 1.875
    • Sealing Material: Polyacrylate
    • Width (Inch): 0.425
    • Redicoat: Yes
    • Flanged Outside Diameter (Inch): 3.045
    • Inside Diameter:
      • 1.875
      • 47.630
    • Flanged Outside Diameter (MM): 77.343
    • Helix Type: Clockwise-spiral Lip Design
    • Unit of Dimension: Inch
    • Housing Bore (Inch): 2.758
    • Outside Diameter:
      • 2.762
      • 70.150
    • Outside Diameter (Inch): 2.762
    • Shaft (MM): 47.630
    • Part Description: Oil Seal
  • National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

This Part Fits the Following OEM/Substitute Numbers:
011513, 12304521, 1243396, 1243397, 1359176, 1373030, 1384746, 15-30102, 18692, 2264.06, 22823-61A01, 23015975, 248A15607C, 293-33, 3702068, 372068, 3737894, 3746601...VIEW MORE

Additional Fitment Information:
Vehicle Transmission Position Trans. Speed
1961 - GMC 2500 Series Automatic Front 2

National Bearing
  • Oil Seal
  • with 3-Speed Allison AT218 Transmission
  • National 6712NA Oil Seal
  • Product Attributes:
    • Shaft (Inch): 1.875
    • Sealing Material: Polyacrylate
    • Width (Inch): 0.425
    • Redicoat: Yes
    • Flanged Outside Diameter (Inch): 3.045
    • Inside Diameter:
      • 1.875
      • 47.630
    • Flanged Outside Diameter (MM): 77.343
    • Helix Type: Clockwise-spiral Lip Design
    • Unit of Dimension: Inch
    • Housing Bore (Inch): 2.758
    • Outside Diameter:
      • 2.762
      • 70.150
    • Outside Diameter (Inch): 2.762
    • Shaft (MM): 47.630
    • Part Description: Oil Seal
  • National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Additional Fitment Information:
Vehicle Position
1961 - GMC 2500 Series Front

National Bearing
  • Differential Pinion Seal
  • Nitrile with 8.5 (in) Ring Gear with Spicer 44-5F Axle
  • National 5778 Differential Pinion Seal
  • Product Attributes:
    • Inside Diameter:
      • 1.552
      • 39.420
    • Shaft (Inch): 1.552
    • Width (Inch): 0.645
    • Unit of Dimension: Inch
    • Housing Bore (Inch): 3.160
    • Outside Diameter:
      • 3.165
      • 80.390
    • Outside Diameter (Inch): 3.165
    • Redicoat: Yes
    • Shaft (MM): 39.420
    • Part Description: Oil Seal
  • National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

This Part Fits the Following OEM/Substitute Numbers:
010701, 05012454AA, 05012454AB, 05019154AA, 10046337, 127968R91, 129418R91, 129419R91, 14223, 142234, 152205, 15788, 1728192, 1791590, 184160, 199379, 199379X1, 2067211...VIEW MORE

Additional Fitment Information:
Vehicle Position
1961 - GMC 2500 Series Front Outer

National Bearing
  • Differential Pinion Seal
  • Nitrile with 8.5 (in) Ring Gear with Spicer 44-5CFHD Axle
  • National 5778 Differential Pinion Seal
  • Product Attributes:
    • Inside Diameter:
      • 1.552
      • 39.420
    • Shaft (Inch): 1.552
    • Width (Inch): 0.645
    • Unit of Dimension: Inch
    • Housing Bore (Inch): 3.160
    • Outside Diameter:
      • 3.165
      • 80.390
    • Outside Diameter (Inch): 3.165
    • Redicoat: Yes
    • Shaft (MM): 39.420
    • Part Description: Oil Seal
  • National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Additional Fitment Information:
Vehicle Position
1961 - GMC 2500 Series Front Outer
Showing 1 - 10 of 19 products

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