| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MELLING | B0121 | Direct Cross Interchange | 6 |
| GOODYEAR | 40121 | Direct Cross Interchange | 6 |
| FRESHSTART | CD121 | Direct Cross Interchange | 6 |
| Mileage Maker | CD121 | Direct Cross Interchange | 5 |
| DNJ | TB304 | Direct Cross Interchange | 5 |
| Fresh Start | CD121 | Direct Cross Interchange | 3 |
| OE | T121 | Direct Cross Interchange | 2 |
| OE | 894158327 | Direct Cross Interchange | 1 |
| OE | 40121 | Direct Cross Interchange | 1 |
| OE | 0260253 | Direct Cross Interchange | 1 |
| OE | CD121 | Direct Cross Interchange | 1 |
| OE | TB121 | Direct Cross Interchange | 1 |
| DYNAGEAR | TB121 | Indirect Cross Interchange | 6 |
| DAYCO | 95121 | Indirect Cross Interchange | 6 |
| GATES | T121 | Indirect Cross Interchange | 6 |
| BECK/ARNLEY | 0260253 | Indirect Cross Interchange | 6 |
| NAPA | 2590640 | Indirect Cross Interchange | 5 |
| LAZORLITE | L554774 | Indirect Cross Interchange | 5 |
| CLEVITE | B121 | Indirect Cross Interchange | 5 |
| CARQUEST | T121 | Indirect Cross Interchange | 5 |
| ISUZU | 8942152540 | Indirect Cross Interchange | 4 |
| ISUZU | 8941583270 | Indirect Cross Interchange | 4 |
| OE | 94158327 | Indirect Cross Interchange | 4 |
| NAPA | 250121 | Indirect Cross Interchange | 4 |
| CLOYES | B121 | Indirect Cross Interchange | 4 |
| CARQUEST | TB121 | Indirect Cross Interchange | 4 |
| FLENNOR | TB121 | Indirect Cross Interchange | 4 |
| ACDelco | TB121 | Indirect Cross Interchange | 4 |
| CONTITECH | TB121 | Indirect Cross Interchange | 4 |
| OE | 111ZA19 | Indirect Cross Interchange | 4 |
| OE | 8942372420 | Indirect Cross Interchange | 4 |
| OE | 8942152540 | Indirect Cross Interchange | 4 |
| OE | 8941583270 | Indirect Cross Interchange | 4 |
| VERA | 4501853 | Indirect Cross Interchange | 3 |
| GM | 94158327 | Indirect Cross Interchange | 3 |
| MBL THREE STAR | 111ZA19 | Indirect Cross Interchange | 3 |
| DURKEE | TB121 | Indirect Cross Interchange | 3 |
| DURKEE | 88121 | Indirect Cross Interchange | 3 |
| INTERAMERICAN MOTOR | TB121B | Indirect Cross Interchange | 3 |
| INTERAMERICAN MOTOR | 07825004 | Indirect Cross Interchange | 3 |
| PRONTO | TB121 | Indirect Cross Interchange | 3 |
| MITSUBISHI | 111ZA19 | Indirect Cross Interchange | 3 |
| ISUZU | 94158327 | Indirect Cross Interchange | 3 |
| ISUZU | 92063403 | Indirect Cross Interchange | 3 |
| ISUZU | 8942372420 | Indirect Cross Interchange | 3 |
| CRP | TB121 | Indirect Cross Interchange | 3 |
| BANDO | TB121 | Indirect Cross Interchange | 3 |
| MIGHTY | CD121 | Indirect Cross Interchange | 3 |
| BECK/ARNLEY | 260253 | Indirect Cross Interchange | 3 |
| BANDO | 111ZA19 | Indirect Cross Interchange | 3 |
| ATLAS | TB1001 | Indirect Cross Interchange | 3 |
| DAYCO | 95121FN | Indirect Cross Interchange | 3 |
| IMC | 07825004241 | Indirect Cross Interchange | 3 |
| IMC | 07825004 | Indirect Cross Interchange | 3 |
| ArmorMark | TB121 | Indirect Cross Interchange | 3 |
| Dynaflex | 95121 | Indirect Cross Interchange | 3 |
| AutoZone | B0121 | Indirect Cross Interchange | 3 |
| AutoZone | 95121 | Indirect Cross Interchange | 3 |
| Durkee-Atwood | 88121 | Indirect Cross Interchange | 2 |
| AutoZone | TB121 | Indirect Cross Interchange | 2 |
| TRW | LB121 | Indirect Cross Interchange | 2 |
| Industry Standard | 8X552 | Indirect Cross Interchange | 1 |
| McQuay-Norris | TB121 | Indirect Cross Interchange | 1 |
| OE | 560130 | Indirect Cross Interchange | 1 |
| Industry Standard | 4L550 | Indirect Cross Interchange | 1 |
| ATLAS TOOL | TB1001 | Indirect Cross Interchange | 1 |
| OE | 4930948 | Indirect Cross Interchange | 1 |
| Industry Standard | 121 | Indirect Cross Interchange | 1 |
| PIX Belts | 4L550 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 222B121 | Indirect Cross Interchange | 1 |
| Metric Standard | 8X552 | Indirect Cross Interchange | 1 |
| THERMOID | 4L550 | Indirect Cross Interchange | 1 |
| ELGIN | LB121HP | Indirect Cross Interchange | 1 |
| Metric Standard | 13R1395 | Indirect Cross Interchange | 1 |
| General Electric | KK5705475AR70 | Indirect Cross Interchange | 1 |
| ELGIN | LB121 | Indirect Cross Interchange | 1 |
| Metric Standard | 12R1395 | Indirect Cross Interchange | 1 |
| General Electric | K810236324 | Indirect Cross Interchange | 1 |
| DAYCO | 56100 | Indirect Cross Interchange | 1 |
| NAPA | 2516053 | Indirect Cross Interchange | 1 |
| General Electric | K5705475AN39 | Indirect Cross Interchange | 1 |
| DAYCO | 4L550 | Indirect Cross Interchange | 1 |
| OE | 308474 | Indirect Cross Interchange | 1 |
| General Electric | K5705475AJ26 | Indirect Cross Interchange | 1 |
| DAYCO | 202055 | Indirect Cross Interchange | 1 |
| General Electric | K5705475AG56 | Indirect Cross Interchange | 1 |
| DAYCO | 1M055 | Indirect Cross Interchange | 1 |
| OE | 304550 | Indirect Cross Interchange | 1 |
| General Electric | C4A97 | Indirect Cross Interchange | 1 |
| AE CLEVITE | B121 | Indirect Cross Interchange | 1 |
| CUMMINS | 3808950 | Indirect Cross Interchange | 1 |
| OE | 2637852 | Indirect Cross Interchange | 1 |
| BROWNING | 1530 | Indirect Cross Interchange | 1 |
| BORG WARNER | TB121 | Indirect Cross Interchange | 1 |
| PIRELLI | TB121 | Indirect Cross Interchange | 1 |
| OE | 26130 | Indirect Cross Interchange | 1 |
| GOODRICH | 4L550 | Indirect Cross Interchange | 1 |
| TIMKEN | 25272130 | Indirect Cross Interchange | 1 |
| PIRELLI | 88121 | Indirect Cross Interchange | 1 |
| OE | 2590640 | Indirect Cross Interchange | 1 |
| GOODRICH | 1550 | Indirect Cross Interchange | 1 |
| DANA | TB121 | Indirect Cross Interchange | 1 |
| PIRELLI | 4L550 | Indirect Cross Interchange | 1 |
| OE | 250121 | Indirect Cross Interchange | 1 |
| DANA | 9121 | Indirect Cross Interchange | 1 |
| PIRELLI | 111R190 | Indirect Cross Interchange | 1 |
| OE | 19887 | Indirect Cross Interchange | 1 |
| UNIROYAL | 4L550 | Indirect Cross Interchange | 1 |
| GOODYEAR | FA55 | Indirect Cross Interchange | 1 |
| OE | 153A575H13 | Indirect Cross Interchange | 1 |
| JASON | 4L550 | Indirect Cross Interchange | 1 |
| REPCO | 4121 | Indirect Cross Interchange | 1 |
| GOODYEAR | 74550 | Indirect Cross Interchange | 1 |
| OE | 15093 | Indirect Cross Interchange | 1 |
| Durkee-Atwood | TB121 | Indirect Cross Interchange | 1 |
| GATES | 5121 | Indirect Cross Interchange | 1 |
| GOODYEAR | 4L550 | Indirect Cross Interchange | 1 |
| GATES | 4L550 | Indirect Cross Interchange | 1 |
| OE | 02070 | Indirect Cross Interchange | 1 |
| OPTIBELT | 4L550 | Indirect Cross Interchange | 1 |
| GATES | 2550 | Indirect Cross Interchange | 1 |
| PROVEN VALUE | TB121 | Indirect Cross Interchange | 1 |
| BANDO | 4L550 | Indirect Cross Interchange | 1 |
| NSN | MS392424L550 | Indirect Cross Interchange | 1 |
| GENUINE GEAR | 2590640 | Indirect Cross Interchange | 1 |
| PERFECT CIRCLE | TB121 | Indirect Cross Interchange | 1 |
| NSN | 392424L550 | Indirect Cross Interchange | 1 |
| BorgWarner | TB121 | Indirect Cross Interchange | 1 |
| NSN | 30305283794 | Indirect Cross Interchange | 1 |
| GENUINE GEAR | 250121 | Indirect Cross Interchange | 1 |
| OE | 123438 | Indirect Cross Interchange | 1 |
| SEALED POWER | 222B121 | Indirect Cross Interchange | 1 |
| NSN | 3030005283794 | Indirect Cross Interchange | 1 |
| FEDERATED | TB121 | Indirect Cross Interchange | 1 |
| OE | 121444 | Indirect Cross Interchange | 1 |
| ROCKHILL | TB121 | Indirect Cross Interchange | 1 |
| NSN | 3030004010542 | Indirect Cross Interchange | 1 |
| ISUZU | 0941583270 | Indirect Cross Interchange | 1 |
| OE | 081155 | Indirect Cross Interchange | 1 |
| OE | TY4404 | Indirect Cross Interchange | 1 |
| NAPA | 4L550 | Indirect Cross Interchange | 1 |
| GM | 94215254 | Indirect Cross Interchange | 1 |
| OE | 0387124 | Indirect Cross Interchange | 1 |
| DUNLOP | 4L550 | Indirect Cross Interchange | 1 |
| OE | 904061 | Indirect Cross Interchange | 1 |
| GM | 532255 | Indirect Cross Interchange | 1 |
| OE | 85868150 | Indirect Cross Interchange | 1 |
| Contitech | TB121 | Indirect Cross Interchange | 1 |
| OE | 904040 | Indirect Cross Interchange | 1 |
| DODGE | 108039 | Indirect Cross Interchange | 1 |
| Contitech | CT699 | Indirect Cross Interchange | 1 |
| CHRYSLER | B4L550 | Indirect Cross Interchange | 1 |
| OE | 832087 | Indirect Cross Interchange | 1 |
| BORG WARNR | TB121 | Indirect Cross Interchange | 1 |
| CHRYSLER | 1180197 | Indirect Cross Interchange | 1 |
| OE | 76019 | Indirect Cross Interchange | 1 |
| Safety Gasket | SB121 | Indirect Cross Interchange | 1 |
| OE | 6L157 | Indirect Cross Interchange | 1 |
| Precise | TB121 | Indirect Cross Interchange | 1 |
| OE | 6077027 | Indirect Cross Interchange | 1 |
| BRYCO | 54739 | Indirect Cross Interchange | 1 |
| OE | 600132 | Indirect Cross Interchange | 1 |
| Durkee-Atwood | 4L550 | Indirect Cross Interchange | 1 |
| McQuay-Norris | TC121 | Indirect Cross Interchange | 1 |
| OE | 5H57964A550 | Indirect Cross Interchange | 1 |