2004 Chevrolet Silverado 2500 HD bearing, hub & seal reference
Look up 83 BCA catalogue entries for 2004 Chevrolet Silverado 2500 HD. Compare full part references, component roles and recorded restrictions; confirm current vehicle-specific requirements before use.
Filter by vehicle and component
What this lookup establishes—and what it does not
Source: BCA 2021 Wheel Hub Assembly, Bearing and Seal Catalog. The loaded entries cover listed model years from 1995 through 2020. This is a historical catalogue reference, not a live VIN decoder or a guarantee for every trim, market or production date.
BCA is an NTN-owned product line. The numbers below remain BCA part references; they are not silently converted into NTN, SKF or another brand's part numbers. Confirm current OEM/service requirements before use.
Which bearing or hub reference applies?
The catalogue contains 83 reference entries for 2004 Chevrolet Silverado 2500 HD. Select the year and component, then read the full condition and footnote fields. There is no single universal bearing number for every support in this vehicle.
Reference records
1–25 of 83“Bearing”, “hub assembly”, “seal” and “repair sleeve” describe different components. The source description, rather than the catalogue title, determines the role of each number.
On a phone, each record is shown as a complete card with its restrictions. These records do not supply tightening torques or certify a replacement.
| BCA part reference | Component / position | Source model years | Recorded conditions & restrictions | Source trace |
|---|---|---|---|---|
| NS2457BCA catalogue reference | Automatic Transmission | 2001–2006Subject to the conditions in this row | Extension Housing Seal - 4L80-E Trans.; Automatic Trans.; 4 Speed Trans
| 2021 catalogue Page 73Entry 323b12f2 |
| NS4333NBCA catalogue reference | Automatic Transmission | 2001–2006Subject to the conditions in this row | Extension Housing Seal - 4L80-E Trans.; Automatic Trans.; 4 Speed Trans
| 2021 catalogue Page 73Entry a4963f14 |
| NS710623BCA catalogue reference | Automatic Transmission | 2003–2006Subject to the conditions in this row | Oil Pump Seal - Front - 1000 Trans.; Automatic Trans.; 5 Speed TransNo additional numbered footnote is attached to this source row. | 2021 catalogue Page 73Entry 954e8ef0 |
| NB382ABCA catalogue reference | Axle | 2001–2018Subject to the conditions in this row | Differential Bearing Race - Rear
| 2021 catalogue Page 81Entry e1f5c458 |
| NB387ASBCA catalogue reference | Axle | 2001–2018Subject to the conditions in this row | Bearing - Rear
| 2021 catalogue Page 81Entry 76fac0a5 |
| NBA42BCA catalogue reference | Axle | 2001–2004Subject to the conditions in this row | Bearing - Front
| 2021 catalogue Page 78Entry df4f0711 |
| NBA42BCA catalogue reference | Axle | 2001–2004Subject to the conditions in this row | Bearing - Rear
| 2021 catalogue Page 78Entry c6db8068 |
| NBDRK327MKBCA catalogue reference | Axle | 2001–2011Subject to the conditions in this row | Differential Bearing and Seal Kit - Rear
| 2021 catalogue Page 79Entry cbcd3591 |
| NBRA324BBCA catalogue reference | Axle | 2001–2010Subject to the conditions in this row | Differential Bearing and Seal Kit - Rear
| 2021 catalogue Page 79Entry 7503e43e |
| NBRA324BMKBCA catalogue reference | Axle | 2001–2010Subject to the conditions in this row | Differential Bearing and Seal Kit - Rear
| 2021 catalogue Page 79Entry b7704963 |
| NBRA325BBCA catalogue reference | Axle | 2001–2016Subject to the conditions in this row | Differential Bearing and Seal Kit - Rear
| 2021 catalogue Page 80Entry 664c39c9 |
| NBRA325BMKBCA catalogue reference | Axle | 2001–2016Subject to the conditions in this row | Differential Bearing and Seal Kit - Rear
| 2021 catalogue Page 80Entry 2eefbff6 |
| NB614174BCA catalogue reference | Clutch | 2001–2007Subject to the conditions in this row | Release Bearing - 6.0L 5967cc 364cid V8
| 2021 catalogue Page 83Entry ec747b7d |
| NB614174BCA catalogue reference | Clutch | 2001–2006Subject to the conditions in this row | Release Bearing - 8.1L 496cid V8
| 2021 catalogue Page 83Entry a7a95aea |
| NBHM804810BCA catalogue reference | Differential | 2001–2016Subject to the conditions in this row | Pinion Race - Front Inner
| 2021 catalogue Page 93Entry ffb53bae |
| NBHM804810BCA catalogue reference | Differential | 2001–2016Subject to the conditions in this row | Pinion Race - Rear Inner
| 2021 catalogue Page 93Entry 8d78f067 |
| NBHM804846BCA catalogue reference | Differential | 2001–2016Subject to the conditions in this row | Pinion Bearing - Front Inner
| 2021 catalogue Page 93Entry 80b70a16 |
| NBHM804846BCA catalogue reference | Differential | 2001–2016Subject to the conditions in this row | Pinion Bearing - Rear Inner
| 2021 catalogue Page 93Entry 1e6e02ef |
| NBHM88610BCA catalogue reference | Differential | 2004–2018Subject to the conditions in this row | Pinion Race - Front Outer - 4WD
| 2021 catalogue Page 93Entry 9915ae78 |
| NBHM88610BCA catalogue reference | Differential | 2004Subject to the conditions in this row | Pinion Race - Rear Outer
| 2021 catalogue Page 88Entry 556db82e |
| NBHM88649BCA catalogue reference | Differential | 2004–2018Subject to the conditions in this row | Pinion Bearing - Front Outer
| 2021 catalogue Page 93Entry 4a2f255f |
| NBHM88649BCA catalogue reference | Differential | 2004Subject to the conditions in this row | Pinion Bearing - Rear Outer
| 2021 catalogue Page 88Entry 69f30574 |
| NBHM903210BCA catalogue reference | Differential | 2001–2016Subject to the conditions in this row | Pinion Race - Rear Inner
| 2021 catalogue Page 93Entry d2888832 |
| NBHM903249BCA catalogue reference | Differential | 2001–2016Subject to the conditions in this row | Pinion Bearing - Rear Inner
| 2021 catalogue Page 93Entry e6a690df |
| NBM802011BCA catalogue reference | Differential | 2004–2018Subject to the conditions in this row | Pinion Race - Rear Outer
| 2021 catalogue Page 93Entry 203d946c |
Checks before treating a reference as a replacement
Identify the complete vehicle
Match model year, engine, transmission, driven axle, body and production/VIN limits. A year and model name alone may leave several valid-looking entries.
Match the component role
Distinguish a loose bearing, complete hub, cup/cone, seal and repair sleeve. Check front/rear and inner/outer or left/right position exactly as recorded.
Preserve vehicle-specific interfaces
Confirm encoder/ABS arrangement, flange and spline interfaces, retention and the current service procedure. Do not transfer torque or installation force from an unrelated part.
How to use these results
Does a listed number guarantee fitment for my VIN?
No. These are source-listed catalogue references. Read every restriction and verify the current OEM and manufacturer information for the exact vehicle configuration. Missing VIN or production details remain unknown.
Can I replace a hub using a bearing with the same dimensions?
Not on dimensions alone. The complete assembly, encoder, retention, loading and installation interfaces must agree. The main bearing catalogue and cross-brand comparisons are separate dimensional references, not vehicle approvals.
Where are the axle-nut torque and installation instructions?
This application catalogue does not establish a universal torque or a complete installation sequence. Use the current vehicle-specific service procedure, including fastener reuse rules and staged tightening. Do not infer torque from the bearing number.
Does wheel noise prove that one of these parts has failed?
No. Bearing damage, tyres, brakes and driveline faults can produce overlapping symptoms. A reference lookup identifies candidates; it does not diagnose the cause or prove which side has failed.
Look up an exact source part number
Keep the BCA prefix and full marking. Similar numbers from other manufacturers are not automatically cross-references.
Continue the technical investigation
Source and interpretation limits
Factual reference basis: BCA 2021 Wheel Hub Assembly, Bearing and Seal Catalog, published by BCA Bearings, an NTN product line, with its linked numbered footnote reference. Each row retains its source page and restrictions. Vehicle names shared by one source entry remain associated with that entry; source counts are not quantities for sale.
BearingScope provides independently organized technical lookup and interpretation. It does not sell these parts, provide a repair service, certify current fitment, or claim that an absent result is unavailable from a manufacturer. Original public catalogue files and source fingerprints are retained in the site's verification records.