| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| ACDelco | 17D621 | Direct Cross Interchange | 3 |
| AUTO EXTRA | AXMD621 | Direct Cross Interchange | 2 |
| AUTO EXTRA | AXCD621 | Direct Cross Interchange | 2 |
| Inwood | SP621 | Indirect Cross Interchange | 3 |
| AUTO EXTRA | UCD621 | Indirect Cross Interchange | 3 |
| AMERICAN REMANUFACTURING | 62D621 | Indirect Cross Interchange | 3 |
| PARTS PLUS | PPB621 | Indirect Cross Interchange | 3 |
| RAYLOC | TS7497M | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 2462102 | Indirect Cross Interchange | 3 |
| AUTO EXTRA | SMD621 | Indirect Cross Interchange | 3 |
| BENDIX | RD621 | Indirect Cross Interchange | 3 |
| PARTS PLUS | PCP621 | Indirect Cross Interchange | 3 |
| RAYLOC | TS7497 | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 2462101 | Indirect Cross Interchange | 3 |
| Inwood | S621 | Indirect Cross Interchange | 3 |
| MIGHTY | XL621C | Indirect Cross Interchange | 3 |
| RAYLOC | SS7497X | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 2362101 | Indirect Cross Interchange | 3 |
| Inwood | PDMX621 | Indirect Cross Interchange | 3 |
| AUTO EXTRA | AD621 | Indirect Cross Interchange | 3 |
| BENDIX | PD621 | Indirect Cross Interchange | 3 |
| RAYLOC | SS7497 | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 2262101 | Indirect Cross Interchange | 3 |
| Inwood | DMX621 | Indirect Cross Interchange | 3 |
| KEMPARTS | XD621 | Indirect Cross Interchange | 3 |
| RAYBESTOS | SGD621C | Indirect Cross Interchange | 3 |
| MIGHTY | XL621 | Indirect Cross Interchange | 3 |
| RAYLOC | MSS7497 | Indirect Cross Interchange | 3 |
| KEMPARTS | CMD621 | Indirect Cross Interchange | 3 |
| RAYBESTOS | RPD621 | Indirect Cross Interchange | 3 |
| MIGHTY | TS621 | Indirect Cross Interchange | 3 |
| RAYLOC | CMX7497 | Indirect Cross Interchange | 3 |
| SATISFIED BRAKE PRODUCTS | PR621C | Indirect Cross Interchange | 3 |
| RAYBESTOS | PGD621M | Indirect Cross Interchange | 3 |
| GUARDIAN | 61621 | Indirect Cross Interchange | 3 |
| SATISFIED BRAKE PRODUCTS | PR621 | Indirect Cross Interchange | 3 |
| RAYBESTOS | PGD621C | Indirect Cross Interchange | 3 |
| FMSI | D6217998 | Indirect Cross Interchange | 3 |
| AutoZone | DGC621 | Indirect Cross Interchange | 3 |
| RAYBESTOS | PGD621 | Indirect Cross Interchange | 3 |
| FMSI | D6217497 | Indirect Cross Interchange | 3 |
| AutoZone | DG621 | Indirect Cross Interchange | 3 |
| RAYBESTOS | DS621 | Indirect Cross Interchange | 3 |
| CENTRIC | 30006210 | Indirect Cross Interchange | 3 |
| AUTOPART INTERNATIONAL | 93396 | Indirect Cross Interchange | 3 |
| RAYBESTOS | CP621 | Indirect Cross Interchange | 3 |
| CENTRIC | 10906210 | Indirect Cross Interchange | 3 |
| AUTOPART INTERNATIONAL | 93096 | Indirect Cross Interchange | 3 |
| EIS | DE621 | Indirect Cross Interchange | 3 |
| CENTRIC | 10806210 | Indirect Cross Interchange | 3 |
| FEDERATED | MD621 | Indirect Cross Interchange | 3 |
| AISIN | ASH003M | Indirect Cross Interchange | 3 |
| CENTRIC | 10706210 | Indirect Cross Interchange | 3 |
| FEDERATED | D621C | Indirect Cross Interchange | 3 |
| AKEBONO | ISD621 | Indirect Cross Interchange | 3 |
| CENTRIC | 10606210 | Indirect Cross Interchange | 3 |
| FEDERATED | D621 | Indirect Cross Interchange | 3 |
| AKEBONO | ASP621 | Indirect Cross Interchange | 3 |
| CENTRIC | 10506210 | Indirect Cross Interchange | 3 |
| Morse Brake | NX621 | Indirect Cross Interchange | 3 |
| AKEBONO | ACT621 | Indirect Cross Interchange | 3 |
| CENTRIC | 10306210 | Indirect Cross Interchange | 3 |
| Morse Brake | MX621 | Indirect Cross Interchange | 3 |
| BECK/ARNLEY | 0821482 | Indirect Cross Interchange | 3 |
| CENTRIC | 10206210 | Indirect Cross Interchange | 3 |
| Morse Brake | MKD621 | Indirect Cross Interchange | 3 |
| WAGNER | ZD621 | Indirect Cross Interchange | 3 |
| CENTRIC | 10106210 | Indirect Cross Interchange | 3 |
| Morse Brake | CMX621 | Indirect Cross Interchange | 3 |
| WAGNER | QC621A | Indirect Cross Interchange | 3 |
| CENTRIC | 10006210 | Indirect Cross Interchange | 3 |
| HONDA | 45022SR3V01 | Indirect Cross Interchange | 3 |
| WAGNER | QC621 | Indirect Cross Interchange | 3 |
| CARQUEST | RCD621 | Indirect Cross Interchange | 3 |
| HONDA | 45022SR3V00 | Indirect Cross Interchange | 3 |
| WAGNER | PD7497 | Indirect Cross Interchange | 3 |
| CARQUEST | GSD621 | Indirect Cross Interchange | 3 |
| HONDA | 45022SLNA01 | Indirect Cross Interchange | 3 |
| WAGNER | PD621A | Indirect Cross Interchange | 3 |
| CARQUEST | GD621 | Indirect Cross Interchange | 3 |
| CARQUEST | BD621 | Indirect Cross Interchange | 3 |
| HONDA | 45022S7A000 | Indirect Cross Interchange | 3 |
| AIMCO | SPF621C | Indirect Cross Interchange | 3 |
| HONDA | 45022S04V00 | Indirect Cross Interchange | 3 |
| AIMCO | SPF621 | Indirect Cross Interchange | 3 |
| CARQUEST | BCD621 | Indirect Cross Interchange | 3 |
| FERODO | FDB776 | Indirect Cross Interchange | 3 |
| HONDA | 06450S7AJ00 | Indirect Cross Interchange | 3 |
| AIMCO | PF621 | Indirect Cross Interchange | 3 |
| BENDIX | D621IQ | Indirect Cross Interchange | 3 |
| NASCAR | 01603584 | Indirect Cross Interchange | 3 |
| HONDA | 06450S5AJ00 | Indirect Cross Interchange | 3 |
| BECK/ARNLEY | 0881482M | Indirect Cross Interchange | 3 |
| BENDIX | D621CT | Indirect Cross Interchange | 3 |
| PERFORMANCE FRICTION | 6214 | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 1662112 | Indirect Cross Interchange | 3 |
| SATISFIED BRAKE PRODUCTS | CL621 | Indirect Cross Interchange | 3 |
| BECK/ARNLEY | 0881482D | Indirect Cross Interchange | 3 |
| BENDIX | B353340 | Indirect Cross Interchange | 3 |
| BRAKE PRO | 4950621 | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 1562112 | Indirect Cross Interchange | 3 |
| NAPA | TSC7497 | Indirect Cross Interchange | 3 |
| BECK/ARNLEY | 0881482C | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 2862101 | Indirect Cross Interchange | 3 |
| PERFORMANCE FRICTION | 621Z | Indirect Cross Interchange | 3 |
| AMERICAN REMANUFACTURING | 763D621 | Indirect Cross Interchange | 3 |
| NAPA | AEC7497 | Indirect Cross Interchange | 3 |
| BECK/ARNLEY | 0871482 | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 28621 | Indirect Cross Interchange | 3 |
| PERFORMANCE FRICTION | 621C | Indirect Cross Interchange | 3 |
| AMERICAN REMANUFACTURING | 762D621 | Indirect Cross Interchange | 3 |
| NAPA | AE7497X | Indirect Cross Interchange | 3 |
| BECK/ARNLEY | 0861482C | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 2762101 | Indirect Cross Interchange | 3 |
| PERFORMANCE FRICTION | 062180 | Indirect Cross Interchange | 3 |
| AMERICAN REMANUFACTURING | 66D621 | Indirect Cross Interchange | 3 |
| RAYLOC | AE7497M | Indirect Cross Interchange | 3 |
| RAYLOC | UP7497M | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 27621 | Indirect Cross Interchange | 3 |
| PERFORMANCE FRICTION | 062120 | Indirect Cross Interchange | 3 |
| AMERICAN REMANUFACTURING | 65D621 | Indirect Cross Interchange | 3 |
| RAYLOC | AE7497 | Indirect Cross Interchange | 3 |
| RAYLOC | UP7497 | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 2562102 | Indirect Cross Interchange | 3 |
| PERFORMANCE FRICTION | 062110 | Indirect Cross Interchange | 3 |
| Inwood | CXD621 | Indirect Cross Interchange | 3 |
| AMERICAN REMANUFACTURING | 63D621 | Indirect Cross Interchange | 3 |
| RAYLOC | AD7497 | Indirect Cross Interchange | 3 |
| RAYLOC | TS7497X | Indirect Cross Interchange | 3 |
| AUTOSPECIALTY | 2562101 | Indirect Cross Interchange | 3 |
| ACDelco | 17D621J | Indirect Cross Interchange | 2 |
| RAYBESTOS | IMD621 | Indirect Cross Interchange | 2 |
| RAYBESTOS | ICD621 | Indirect Cross Interchange | 2 |
| MONROE | DX621 | Indirect Cross Interchange | 2 |
| MONROE | CX621 | Indirect Cross Interchange | 2 |
| AutoZone | PGD621C | Indirect Cross Interchange | 2 |
| NEWTEK | D621 | Indirect Cross Interchange | 2 |
| Morse Brake | D621 | Indirect Cross Interchange | 1 |
| CARQUEST | ACT621 | Indirect Cross Interchange | 1 |
| CENTRIC | 1000621 | Indirect Cross Interchange | 1 |
| AutoZone | D621CT | Indirect Cross Interchange | 1 |
| CARQUEST | RD621 | Indirect Cross Interchange | 1 |
| AutoZone | D621 | Indirect Cross Interchange | 1 |
| CENTRIC | 1010621 | Indirect Cross Interchange | 1 |
| GM | 18029158 | Indirect Cross Interchange | 1 |
| CENTRIC | 1020621 | Indirect Cross Interchange | 1 |
| BENDIX | MKD621 | Indirect Cross Interchange | 1 |
| CARQUEST | D621 | Indirect Cross Interchange | 1 |
| BENDIX | D621 | Indirect Cross Interchange | 1 |
| ACDelco | 14D621C | Indirect Cross Interchange | 1 |
| WAGNER | PD621 | Indirect Cross Interchange | 1 |
| TRW | TPC0948 | Indirect Cross Interchange | 1 |
| ACURA | 45022SR3V01 | Indirect Cross Interchange | 1 |
| WESTERN BRAKE | AFD621 | Indirect Cross Interchange | 1 |
| ACURA | 45022SR3V00 | Indirect Cross Interchange | 1 |
| PERFORMANCE FRICTION | 6218 | Indirect Cross Interchange | 1 |
| ACURA | 45022S04V00 | Indirect Cross Interchange | 1 |
| RAYMOLD | RPD621 | Indirect Cross Interchange | 1 |
| ATE | AT621 | Indirect Cross Interchange | 1 |
| PERFORMANCE FRICTION | 6212 | Indirect Cross Interchange | 1 |
| RAYBESTOS | D621 | Indirect Cross Interchange | 1 |
| PERFORMANCE FRICTION | 6211 | Indirect Cross Interchange | 1 |
| EIS | DX621 | Indirect Cross Interchange | 1 |
| GUARANTEED | 61621 | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 0861482 | Indirect Cross Interchange | 1 |
| Inwood | D621 | Indirect Cross Interchange | 1 |
| CENTRIC | 1030621 | Indirect Cross Interchange | 1 |
| CENTRIC | 1050621 | Indirect Cross Interchange | 1 |
| CENTRIC | 1060621 | Indirect Cross Interchange | 1 |
| CENTRIC | 1070621 | Indirect Cross Interchange | 1 |
| CENTRIC | 1080621 | Indirect Cross Interchange | 1 |
| CENTRIC | 1090621 | Indirect Cross Interchange | 1 |
| CENTRIC | 3000621 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | D621 | Indirect Cross Interchange | 1 |
| NAPA | AE7497M | Indirect Cross Interchange | 1 |
| NAPA | 7497X | Indirect Cross Interchange | 1 |
| ROCKHILL | MD621 | Indirect Cross Interchange | 1 |
| NAPA | TS7497X | Indirect Cross Interchange | 1 |
| NAPA | SS7497X | Indirect Cross Interchange | 1 |
| KEMPARTS | D621 | Indirect Cross Interchange | 1 |
| PARTS PLUS | D621 | Indirect Cross Interchange | 1 |
| PEP BOYS | PD621 | Indirect Cross Interchange | 1 |
| SATISFIED BRAKE PRODUCTS | PD621 | Indirect Cross Interchange | 1 |
| AutoZone | SGD621C | Indirect Cross Interchange | 1 |