| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| GATES | T121 | Direct Cross Interchange | 31 |
| CARQUEST | T121 | Direct Cross Interchange | 30 |
| GOODYEAR | 40121 | Direct Cross Interchange | 26 |
| FRESHSTART | CD121 | Direct Cross Interchange | 24 |
| DAYCO | 95121 | Direct Cross Interchange | 23 |
| Mileage Maker | CD121 | Direct Cross Interchange | 23 |
| ISUZU | 8942152540 | Direct Cross Interchange | 21 |
| ISUZU | 8941583270 | Direct Cross Interchange | 21 |
| BECK/ARNLEY | 0260253 | Direct Cross Interchange | 20 |
| NAPA | 2590640 | Direct Cross Interchange | 20 |
| LAZORLITE | L554774 | Direct Cross Interchange | 20 |
| MIGHTY | CD121 | Direct Cross Interchange | 20 |
| VERA | 4501853 | Direct Cross Interchange | 19 |
| ISUZU | 8942372420 | Direct Cross Interchange | 19 |
| NAPA | 250121 | Direct Cross Interchange | 19 |
| GATES | 5121 | Direct Cross Interchange | 19 |
| BANDO | 111ZA19 | Direct Cross Interchange | 19 |
| Durkee-Atwood | 88121 | Direct Cross Interchange | 17 |
| MELLING | B0121 | Direct Cross Interchange | 13 |
| ACDelco | TB121 | Direct Cross Interchange | 9 |
| DYNAGEAR | TB121 | Direct Cross Interchange | 8 |
| CONTITECH | TB121 | Direct Cross Interchange | 7 |
| MITSUBOSHI | 111ZA19 | Direct Cross Interchange | 7 |
| ISUZU | 94158327 | Direct Cross Interchange | 7 |
| DAYCO | 95121FN | Direct Cross Interchange | 6 |
| ATLAS | TB1001 | Direct Cross Interchange | 6 |
| BORG WARNER | TB121 | Direct Cross Interchange | 4 |
| CLEVITE | TB121 | Direct Cross Interchange | 4 |
| BRYCO | B121 | Direct Cross Interchange | 3 |
| ISUZU | 94215254 | Direct Cross Interchange | 3 |
| MITSUBISHI | 111ZA19 | Indirect Cross Interchange | 17 |
| BANDO | TB121 | Indirect Cross Interchange | 17 |
| BORG WARNR | TB121 | Indirect Cross Interchange | 15 |
| Industry Standard | 121 | Indirect Cross Interchange | 15 |
| ISUZU | 0941583270 | Indirect Cross Interchange | 15 |
| GM | 94215254 | Indirect Cross Interchange | 15 |
| ATLAS TOOL | TB1001 | Indirect Cross Interchange | 15 |
| OE | 85868150 | Indirect Cross Interchange | 15 |
| PIRELLI | TB121 | Indirect Cross Interchange | 15 |
| REPCO | 4121 | Indirect Cross Interchange | 15 |
| PIRELLI | 88121 | Indirect Cross Interchange | 15 |
| PIRELLI | 111R190 | Indirect Cross Interchange | 15 |
| Contitech | TB121 | Indirect Cross Interchange | 15 |
| Contitech | CT699 | Indirect Cross Interchange | 15 |
| Fresh Start | CD121 | Indirect Cross Interchange | 13 |
| DNJ | TB304 | Indirect Cross Interchange | 8 |
| CRP | TB121 | Indirect Cross Interchange | 7 |
| HERTH+BUSS JAKOPARTS | J1129003 | Indirect Cross Interchange | 6 |
| DAYCO | 94093 | Indirect Cross Interchange | 6 |
| ASHIKA | 4009903 | Indirect Cross Interchange | 5 |
| FLENNOR | 4010 | Indirect Cross Interchange | 5 |
| SCT Germany | G121 | Indirect Cross Interchange | 5 |
| JAPKO | 40903 | Indirect Cross Interchange | 5 |
| JAPANPARTS | DD903 | Indirect Cross Interchange | 5 |
| KAVO PARTS | DTB3503 | Indirect Cross Interchange | 5 |
| Dynaflex | 95121 | Indirect Cross Interchange | 5 |
| CLOYES | B121 | Indirect Cross Interchange | 5 |
| QUINTON HAZELL | QTB188 | Indirect Cross Interchange | 5 |
| DAYCO | 111R190 | Indirect Cross Interchange | 4 |
| ISUZU | 894158327 | Indirect Cross Interchange | 4 |
| CONTITECH | CT699 | Indirect Cross Interchange | 4 |
| ISUZU | 4320967 | Indirect Cross Interchange | 4 |
| AE | TB209 | Indirect Cross Interchange | 4 |
| ISUZU | 4320917 | Indirect Cross Interchange | 4 |
| CONTITECH | 416LA075 | Indirect Cross Interchange | 4 |
| ISUZU | 4294125 | Indirect Cross Interchange | 4 |
| GATES | 41111x34 | Indirect Cross Interchange | 4 |
| MITSUBOSHI | 109YU16 | Indirect Cross Interchange | 4 |
| MGA | G1119 | Indirect Cross Interchange | 4 |
| ACDelco | AB11182 | Indirect Cross Interchange | 4 |
| ROULUNDS RUBBER | 111TP190 | Indirect Cross Interchange | 4 |
| ISUZU | 894237240 | Indirect Cross Interchange | 4 |
| ISUZU | 894461225 | Indirect Cross Interchange | 4 |
| ISUZU | 94152572F00 | Indirect Cross Interchange | 4 |
| GOODYEAR | G1119 | Indirect Cross Interchange | 4 |
| GOODYEAR | 111LH190 | Indirect Cross Interchange | 4 |
| OPTIBELT | 41111X34 | Indirect Cross Interchange | 4 |
| PEX | 202088 | Indirect Cross Interchange | 4 |
| ArmorMark | TB121 | Indirect Cross Interchange | 4 |
| ISUZU | 894215254 | Indirect Cross Interchange | 4 |
| AutoZone | 95121 | Indirect Cross Interchange | 4 |
| ISUZU | 894423725 | Indirect Cross Interchange | 4 |
| LEMFORDER | 18511 | Indirect Cross Interchange | 4 |
| GM | 94158327 | Indirect Cross Interchange | 4 |
| ITM | 4121 | Indirect Cross Interchange | 4 |
| BEDFORD | 94215254 | Indirect Cross Interchange | 4 |
| CARQUEST | TB121 | Indirect Cross Interchange | 4 |
| BEDFORD | 94158327 | Indirect Cross Interchange | 4 |
| DAYCO | 111S190 | Indirect Cross Interchange | 4 |
| BECK/ARNLEY | 260253 | Indirect Cross Interchange | 3 |
| TRISCAN | 86455121 | Indirect Cross Interchange | 3 |
| CLEVITE | B121 | Indirect Cross Interchange | 3 |
| IMC | 07825004241 | Indirect Cross Interchange | 3 |
| IMC | 07825004 | Indirect Cross Interchange | 3 |
| PRONTO | TB121 | Indirect Cross Interchange | 3 |
| OE | 94158327 | Indirect Cross Interchange | 3 |
| OE | 8942372420 | Indirect Cross Interchange | 3 |
| OE | 8942152540 | Indirect Cross Interchange | 3 |
| OE | 8941583270 | Indirect Cross Interchange | 3 |
| OE | 111ZA19 | Indirect Cross Interchange | 3 |
| AutoZone | B0121 | 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 |
| ISUZU | 92063403 | Indirect Cross Interchange | 3 |
| AutoZone | TB121 | Indirect Cross Interchange | 2 |
| LEMFORDER | 1851101 | Indirect Cross Interchange | 2 |
| NPS | I112U03 | Indirect Cross Interchange | 2 |
| BLUE PRINT | ADZ97502 | Indirect Cross Interchange | 2 |
| FEDERATED | TB121 | Indirect Cross Interchange | 1 |
| FERODO | 4874621 | Indirect Cross Interchange | 1 |
| DURALAST | 95121 | Indirect Cross Interchange | 1 |
| PROVEN VALUE | TB121 | Indirect Cross Interchange | 1 |
| BRYCO | 54739 | Indirect Cross Interchange | 1 |
| GENUINE GEAR | 2590640 | Indirect Cross Interchange | 1 |
| GENUINE GEAR | 250121 | Indirect Cross Interchange | 1 |
| UNIPART | GTB1121 | Indirect Cross Interchange | 1 |
| TRW | LB121 | Indirect Cross Interchange | 1 |
| OE | 2590640 | Indirect Cross Interchange | 1 |
| OE | 250121 | Indirect Cross Interchange | 1 |
| SEALED POWER | 222B121 | Indirect Cross Interchange | 1 |
| ROCKHILL | TB121 | Indirect Cross Interchange | 1 |
| AE CLEVITE | B121 | Indirect Cross Interchange | 1 |
| ELGIN | LB121HP | Indirect Cross Interchange | 1 |
| ELGIN | LB121 | Indirect Cross Interchange | 1 |
| DANA | TB121 | Indirect Cross Interchange | 1 |
| DANA | 9121 | Indirect Cross Interchange | 1 |
| BOSCH | 1987948705 | Indirect Cross Interchange | 1 |
| LUCAS ELECTRICAL | KCB187 | Indirect Cross Interchange | 1 |
| HAVAM | VS9500 | Indirect Cross Interchange | 1 |
| CONTITECH | 6585981 | Indirect Cross Interchange | 1 |
| CONTITECH | 5981 | Indirect Cross Interchange | 1 |
| ISUZU | 8942311670 | Indirect Cross Interchange | 1 |
| ISUZU | 8942311651 | Indirect Cross Interchange | 1 |
| ISUZU | 8944398420 | Indirect Cross Interchange | 1 |
| McQuay-Norris | TC121 | Indirect Cross Interchange | 1 |
| McQuay-Norris | TB121 | Indirect Cross Interchange | 1 |
| VAUXHALL | 94158327 | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | QTB234 | Indirect Cross Interchange | 1 |
| ISUZU | 897066863 | Indirect Cross Interchange | 1 |
| ISUZU | 97086153 | Indirect Cross Interchange | 1 |
| OPTIBELT | ZRK1047 | Indirect Cross Interchange | 1 |
| Advance Auto | 95121 | Indirect Cross Interchange | 1 |
| MOPROD | MTB134 | Indirect Cross Interchange | 1 |
| Precise | TB121 | Indirect Cross Interchange | 1 |
| PEP BOYS | 95121 | Indirect Cross Interchange | 1 |
| GOODYEAR | TB121 | Indirect Cross Interchange | 1 |