| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| ACDelco | 14D1021C | Direct Cross Interchange | 6 |
| CARQUEST | BCD1021 | Direct Cross Interchange | 6 |
| AutoZone | SGD1021C | Direct Cross Interchange | 3 |
| AutoZone | PGD1021C | Direct Cross Interchange | 3 |
| AutoZone | ATD1021C | Direct Cross Interchange | 3 |
| CARQUEST | BXD1021H | Direct Cross Interchange | 2 |
| BENDIX | RD1021 | Indirect Cross Interchange | 6 |
| BENDIX | D1021CT | Indirect Cross Interchange | 6 |
| BENDIX | D1021 | Indirect Cross Interchange | 6 |
| RAYBESTOS | CP1021 | Indirect Cross Interchange | 6 |
| MOTORCRAFT | BR1021B | Indirect Cross Interchange | 6 |
| AKEBONO | ACT1021 | Indirect Cross Interchange | 6 |
| NASCAR | 01608534 | Indirect Cross Interchange | 6 |
| Inwood | SPQ1021 | Indirect Cross Interchange | 6 |
| WAGNER | ZD1021 | Indirect Cross Interchange | 6 |
| Inwood | SP1021 | Indirect Cross Interchange | 6 |
| WAGNER | QC1021 | Indirect Cross Interchange | 6 |
| Inwood | PDMX1021 | Indirect Cross Interchange | 6 |
| AutoZone | DG1021 | Indirect Cross Interchange | 6 |
| WAGNER | PD1021 | Indirect Cross Interchange | 6 |
| Inwood | DMX1021 | Indirect Cross Interchange | 6 |
| AutoZone | BR1021B | Indirect Cross Interchange | 6 |
| Inwood | CXD1021 | Indirect Cross Interchange | 6 |
| RAYLOC | CMX7926 | Indirect Cross Interchange | 6 |
| KEMPARTS | XD1021 | Indirect Cross Interchange | 6 |
| KEMPARTS | CMD1021 | Indirect Cross Interchange | 6 |
| FORD | 5F2Z2200AA | Indirect Cross Interchange | 6 |
| FORD | 3F2Z2200AA | Indirect Cross Interchange | 6 |
| SATISFIED BRAKE PRODUCTS | SU1021 | Indirect Cross Interchange | 6 |
| SATISFIED BRAKE PRODUCTS | PR1021C | Indirect Cross Interchange | 6 |
| SATISFIED BRAKE PRODUCTS | PR1021 | Indirect Cross Interchange | 6 |
| RAYLOC | SS7926X | Indirect Cross Interchange | 6 |
| RAYLOC | AD7926 | Indirect Cross Interchange | 6 |
| PARTS PLUS | PCP1021 | Indirect Cross Interchange | 6 |
| NAPA | TSC7926 | Indirect Cross Interchange | 6 |
| NAPA | CMX7926 | Indirect Cross Interchange | 6 |
| NAPA | AEC7926 | Indirect Cross Interchange | 6 |
| FMSI | D10217926 | Indirect Cross Interchange | 6 |
| CENTRIC | 30010210 | Indirect Cross Interchange | 6 |
| CENTRIC | 10610210 | Indirect Cross Interchange | 6 |
| CENTRIC | 10510210 | Indirect Cross Interchange | 6 |
| CENTRIC | 1031021 | Indirect Cross Interchange | 6 |
| CENTRIC | 1021021 | Indirect Cross Interchange | 6 |
| CENTRIC | 10010210 | Indirect Cross Interchange | 6 |
| AUTOSPECIALTY | 26102102 | Indirect Cross Interchange | 6 |
| AMERICAN REMANUFACTURING | 68D1021 | Indirect Cross Interchange | 6 |
| Morse Brake | MX1021 | Indirect Cross Interchange | 5 |
| Morse Brake | MKD1021 | Indirect Cross Interchange | 5 |
| Morse Brake | CMX1021 | Indirect Cross Interchange | 5 |
| ACDelco | 17D1021CH | Indirect Cross Interchange | 5 |
| RAYBESTOS | ATD1021C | Indirect Cross Interchange | 5 |
| AIMCO | SPM1021S | Indirect Cross Interchange | 5 |
| AIMCO | SPF1021C | Indirect Cross Interchange | 5 |
| AIMCO | SPC1021S | Indirect Cross Interchange | 5 |
| RAYBESTOS | PGD1021C | Indirect Cross Interchange | 5 |
| CARQUEST | RCD1021 | Indirect Cross Interchange | 5 |
| MONROE | DX1021 | Indirect Cross Interchange | 5 |
| RAYBESTOS | SGD1021C | Indirect Cross Interchange | 5 |
| RAYBESTOS | PGD1021QS | Indirect Cross Interchange | 5 |
| CENTRIC | 1051021 | Indirect Cross Interchange | 5 |
| CENTRIC | 1001021 | Indirect Cross Interchange | 5 |
| CENTRIC | 3001021 | Indirect Cross Interchange | 5 |
| CENTRIC | 1061021 | Indirect Cross Interchange | 5 |
| MIGHTY | XL1021M | Indirect Cross Interchange | 5 |
| MIGHTY | XL1021C | Indirect Cross Interchange | 5 |
| MIGHTY | TS1021 | Indirect Cross Interchange | 5 |
| FEDERATED | D1021C | Indirect Cross Interchange | 5 |
| FMSI | D1021 | Indirect Cross Interchange | 4 |
| FEDERATED | MD1021 | Indirect Cross Interchange | 4 |
| CENTRIC | 10710210 | Indirect Cross Interchange | 4 |
| CENTRIC | 10210210 | Indirect Cross Interchange | 4 |
| CENTRIC | 10310210 | Indirect Cross Interchange | 4 |
| CARQUEST | GCD1021 | Indirect Cross Interchange | 4 |
| CARQUEST | RMD1021 | Indirect Cross Interchange | 4 |
| CANADIAN TIRE | 01608534 | Indirect Cross Interchange | 4 |
| RAYBESTOS | PGD1021M | Indirect Cross Interchange | 4 |
| ACDelco | 17D1021C | Indirect Cross Interchange | 4 |
| AUTO EXTRA | AXCD1021 | Indirect Cross Interchange | 3 |
| INTERAMERICAN MOTOR | BP1021 | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | 52010210 | Indirect Cross Interchange | 2 |
| DASH 4 | MD1021 | Indirect Cross Interchange | 2 |
| DASH 4 | CFD1021 | Indirect Cross Interchange | 2 |
| DASH 4 | CD1021 | Indirect Cross Interchange | 2 |
| AUTO EXTRA | AXMD1021 | Indirect Cross Interchange | 2 |
| ACDelco | PR1021 | Indirect Cross Interchange | 2 |
| CENTRIC | 10510211 | Indirect Cross Interchange | 2 |
| RAYLOC | AEC7926 | Indirect Cross Interchange | 2 |
| IMC | 52010210507 | Indirect Cross Interchange | 2 |
| IMC | 52010210503 | Indirect Cross Interchange | 2 |
| IMC | 52010210462 | Indirect Cross Interchange | 2 |
| IMC | 52010210325 | Indirect Cross Interchange | 2 |
| IMC | 52010210 | Indirect Cross Interchange | 2 |
| FEDERAL MOGUL | D1021 | Indirect Cross Interchange | 2 |
| CENTRIC | 10610211 | Indirect Cross Interchange | 2 |
| AUTOPART INTERNATIONAL | 30599 | Indirect Cross Interchange | 2 |
| AUTOPART INTERNATIONAL | 141230599 | Indirect Cross Interchange | 2 |
| RAYLOC | MSS7926X | Indirect Cross Interchange | 2 |
| NEWTEK | CRD1021 | Indirect Cross Interchange | 2 |
| WD EXPRESS | 52010210507 | Indirect Cross Interchange | 2 |
| WD EXPRESS | 52010210503 | Indirect Cross Interchange | 2 |
| WD EXPRESS | 52010210462 | Indirect Cross Interchange | 2 |
| WD EXPRESS | 52010210325 | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | D91021SM | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | D91021OSM | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | D91021MTX | Indirect Cross Interchange | 2 |
| MIGHTY | TS1021C | Indirect Cross Interchange | 1 |
| NAPA | AE7926M | Indirect Cross Interchange | 1 |
| GM | 19285965 | Indirect Cross Interchange | 1 |
| GM | 19137356 | Indirect Cross Interchange | 1 |
| NAPA | PEC7926 | Indirect Cross Interchange | 1 |
| NAPA | ETC7926 | Indirect Cross Interchange | 1 |
| CARQUEST | PCD1021 | Indirect Cross Interchange | 1 |