Shop By Product Matching "National"
Choose your Engine for your 1987 Chevrolet R20
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- Differential Pinion Seal
- with 10.5 (in) Ring Gear with GMC Axle
- National 2286 Differential Pinion Seal
- Product Attributes:
- Shaft (Inch): 2.201
- Width (Inch): 0.590
- Redicoat: Yes
- Flanged Outside Diameter (Inch): 3.970
- Inside Diameter:
- 2.201
- 55.910
- Flanged Outside Diameter (MM): 100.838
- Unit of Dimension: Inch
- Housing Bore (Inch): 3.519
- Outside Diameter:
- 3.523
- 89.480
- Outside Diameter (Inch): 3.523
- Shaft (MM): 55.910
- 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:
12305328, 21955, 2286, 26004811, 292-128, 3977359, 4321955, 47530, N21955, YMS2286
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 1987 - Chevrolet R20 | Rear Outer |
- Taper Bearing Cone
- National 15103S Taper Bearing Cone
- Product Attributes:
- Cone Bore (Inch): 1.0300
- Cone Radius (Inch): 0.0310
- Cone Radius (MM): 0.7870
- Cone Length (Inch): 0.7850
- Cone Bore (MM): 26.1620
- Cone Length (MM): 19.9390
- Part Description: Taper Bearing Cone
- Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
This Part Fits the Following OEM/Substitute Numbers:
15103-S, 15103S, 455222, 455223, 457041, 457043, 7450336, 7450344, 9412868, 9412870, 9412871, 9431854, 9500794, A131224, A131224Z, BR15103S, BT15103S, F15103S...VIEW MORE
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 1987 - Chevrolet R20 | Front Outer |
- Taper Bearing Set
- Taper Bearing Set Includes Cup and Cone with 10.5 (in) Ring Gear
- National A-38 Taper Bearing Set
- Product Attributes:
- Cone Radius (MM): 3.5560
- Width (Inch): 0.8500
- Cone Length (Inch): 0.8750
- Cone Bore (MM): 50.8000
- Cone Length (MM): 25.9080
- Cup Radius (MM): 1.2700
- Standout (MM): 0.5080
- Taper Bearing Cone: Lm104949
- Cone Bore (Inch): 2.0000
- Cone Radius (Inch): 0.1400
- Cup Length (Inch): 0.6500
- Cup Bore (Inch): 3.2500
- Standout (Inch): 0.0200
- Taper Bearing Cup: Lm104911
- Cup Radius (Inch): 0.0500
- Cup Bore (MM): 82.5500
- Part Description: Taper Bearing Set
- Manufactured with premium-grade steel, National® taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
This Part Fits the Following OEM/Substitute Numbers:
02955374, 2852729, 2955374, 364464C91, 431669C91, 46AX90, 7451812, 9428908, A-38, A38, BR38, FS38, NO38SET, S38, S87, S87A, SET38
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 1987 - Chevrolet R20 | Rear Outer |
- Taper Bearing Cone
- with 10.5 (in) Ring Gear with GMC Axle
- National 387AS Taper Bearing Cone
- Product Attributes:
- Cone Bore (Inch): 2.2500
- Cone Radius (Inch): 0.2030
- Cone Radius (MM): 5.1560
- Cone Length (Inch): 0.8640
- Cone Bore (MM): 57.1500
- Cone Length (MM): 21.9460
- Part Description: Taper Bearing Cone
- Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
This Part Fits the Following OEM/Substitute Numbers:
0218285, 02182855, 10X15157, 181-267, 206087M1, 218285, 319014, 327195R91, 387-AS, 387AS, 49030, 49X50209A, 565906, 613862C91, 70218285, 826926C91, 9436882, 9500172...VIEW MORE
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 1987 - Chevrolet R20 | Rear |
- Taper Bearing Cone
- with 10.5 (in) Ring Gear
- National 387AS Taper Bearing Cone
- Product Attributes:
- Cone Bore (Inch): 2.2500
- Cone Radius (Inch): 0.2030
- Cone Radius (MM): 5.1560
- Cone Length (Inch): 0.8640
- Cone Bore (MM): 57.1500
- Cone Length (MM): 21.9460
- Part Description: Taper Bearing Cone
- Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 1987 - Chevrolet R20 | Rear Inner |
- Wheel Bearing
- Standard Replacement Bearing with 9.5 (in) Ring Gear
- National R-1561-TV Wheel Bearing
- Product Attributes:
- Cylindrical Outer Race: R-1561-tv
- Width (Inch): 1.195
- Bore (Inch): 1.7055
- Outside Diameter (Inch): 2.992
- Part Description: Cylindrical Bearing Assembly
- Manufactured with premium-grade steel, National® cylindrical bearings are designed and engineered to meet OE specifications.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
This Part Fits the Following OEM/Substitute Numbers:
05137586AA, 09439561, 1561TS, 4117858, 5137586AA, 565976, 565978, 566117, 5L3W-1225AA, 5L3Z-1225AA, 7455734, 88982517, 9439561, BRG-8, DK54185, E0TZ-1225A, E1TZ-1225A, E1UZ-1225A...VIEW MORE
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 1987 - Chevrolet R20 | Rear |
- Oil Seal
- National 4950 Oil Seal
- Product Attributes:
- Shaft (Inch): 1.748
- Sealing Material: Polyacrylate
- Width (Inch): 0.330
- Redicoat: Yes
- Flanged Outside Diameter (Inch): 2.865
- Inside Diameter:
- 1.748
- 44.410
- Flanged Outside Diameter (MM): 72.770
- Helix Type: Clockwise-spiral Lip Design
- Unit of Dimension: Inch
- Housing Bore (Inch): 2.619
- Outside Diameter:
- 2.627
- 66.720
- Outside Diameter (Inch): 2.627
- Shaft (MM): 44.410
- 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:
17444, 17458, 17459, 24202535, 3227, 47603, 4950, 8628054, 8630921, 8648394, 8648906, 8654491, 8657116, 8680453, B29259, CO-24, CO-37, N17444...VIEW MORE
Additional Fitment Information:
| Vehicle | Transmission | Position | Trans. Speed | Transmission Manuf. Code |
|---|---|---|---|---|
| 1987 - Chevrolet R20 | Automatic | Front | 4 | THM700-R4/4L60/MD8 |
- Oil Seal
- National 8792S Oil Seal
- Product Attributes:
- Inside Diameter:
- 0.500
- 12.700
- Shaft (Inch): 0.500
- Sealing Material: Nitrile
- Width (Inch): 0.192
- Unit of Dimension: Inch
- Housing Bore (Inch): 0.751
- Outside Diameter:
- 0.756
- 19.200
- Outside Diameter (Inch): 0.756
- Shaft (MM): 12.700
- Part Description: Oil Seal
- Inside Diameter:
- 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:
011633, 12304285, 2398409, 24-10-1-218-852, 24-50-1-423-606, 24101218852, 293-65, 47399, 480050, 8623056, 8657163, 8792S, 96040528, A65502S, AH10888, B29915, B37248, N4912...VIEW MORE
Additional Fitment Information:
| Vehicle | Transmission | Trans. Speed | Transmission Manuf. Code |
|---|---|---|---|
| 1987 - Chevrolet R20 | Automatic | 4 | THM700-R4/4L60/MD8 |
- Crankshaft Seal
- National 3945 Crankshaft Seal
- Product Attributes:
- Inside Diameter:
- 2.330
- 59.180
- Shaft (Inch): 2.330
- Helix Type: Bi-directional Lip Design
- Width (Inch): 0.400
- Unit of Dimension: Inch
- Housing Bore (Inch): 3.000
- Outside Diameter:
- 3.005
- 76.330
- Outside Diameter (Inch): 3.005
- Redicoat: Yes
- Shaft (MM): 59.180
- Part Description: Oil Seal
- Inside Diameter:
- 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:
03860095, 05742152, 05743285, 0704-D104, 10191640, 10191642, 12303932, 23300, 23500286, 29533, 296-01, 296-25, 30022106.5, 300221X06.5, 300221X06.5C, 332271N, 3860095, 3945...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 1987 - Chevrolet R20 | V | - | Front | 8 Cyl 6.2L | 379 |
- Wheel Seal
- with 10.5 (in) Ring Gear
- 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
- Inside Diameter:
- 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 |
|---|---|
| 1987 - Chevrolet R20 | Rear Inner |
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