| Item | Lotus # |  |  |  |  |  |  |  |  |  |  | Description | Change Point Notes Bulletin Reference |
| 1 | 046K0001 | 1 | 1 | 1 | 1 | | | | | | | Radiator | |
| | XUFS0416 | 1 | 1 | 1 | 1 | | | | | | | Screw - Radiator to Body - Top | |
| | YUFN040F | 1 | 1 | 1 | 1 | | | | | | | Nut - Radiator to Body - Top | |
| | A04W1609 | 1 | 1 | 1 | 1 | | | | | | | Washer - Radiator to Body - Top | |
| | YUFN040F | 2 | 2 | 2 | 2 | | | | | | | Nut - Radiator to Body - Bottom | |
| | A04W1609 | 2 | 2 | 2 | 2 | | | | | | | Washer - Radiator to Body - Bottom | |
| 2 | 046K0001A | 1 | 1 | 1 | 1 | | | | | | | Radiator Screen | |
| 3 | 054K6001 | 1 | 1 | 1 | 1 | | | | | | | Bleed Valve | |
| | 046K6002 | 1 | 1 | 1 | 1 | | | | | | | Thermal Switch (replaced by 046K6009) | From Chassis No. 0920 SB - Service 1968/73 |
| 4 | 046K6009 | 1 | 1 | 1 | 1 | | | | | | | Thermal Switch | |
| 5 | 046M6121 | 1 | 1 | 1 | 1 | | | | | | | Radiator Fan Motor | |
| 6 | 046M6124 | 1 | 1 | 1 | 1 | | | | | | | Radiator Fan | Up to Chassis No. 7003070113 - excluding 0089 |
| | A05K6002 | 1 | 1 | 1 | 1 | | | | | | | Radiator Fan | From Chassis No. 7003070114 - excluding 0089 |
| | 046W6000 | 3 | 3 | 3 | 3 | | | | | | | Bolt - Radiator Fan Motor to Housing | |
| | 046W6074 | 3 | 3 | 3 | 3 | | | | | | | Washer - Radiator Fan Motor to Housing | |
| 7 | 046K6008 | 1 | 1 | 1 | 1 | | | | | | | Housing - Radiator Fan Motor Mounting | |
| | YUFN040F | 4 | 4 | 4 | 4 | | | | | | | Nut - Housing to Radiator | |
| | A04W0904 | 4 | 4 | 4 | 4 | | | | | | | Washer - Housing to Radiator | |
| 8 | 046K0052 | 1 | 1 | 1 | 1 | | | | | | | Transfer Pipe - Swirl-pot to Radiator | |
| 9 | 046K0053 | 1 | 1 | | | | | | | | | Transfer Pipe - Radiator to Engine | |
| | 054K0053 | | | 1 | 1 | | | | | | | Transfer Pipe - Radiator to Engine | |
| | 046K6001 | 2 | 2 | 2 | 2 | | | | | | | Gromet - Transfer Pipes to Chassis | |
| | XUFS0412 | 1 | 1 | 1 | 1 | | | | | | | Screw - Transfer Pipe to Chassis | |
| | A04W0905 | 1 | 1 | 1 | 1 | | | | | | | Washer - Transfer Pipe to Chassis | 1/32" thick, 1/2" OD, 1/4" ID |
| | YUFN040F | 1 | 1 | 1 | 1 | | | | | | | Nut - Transfer Pipe to Chassis | |
| 10 | 046K0003 | 2 | 2 | 2 | 2 | | | | | | | Radiator Hose - Radiator to Transfer Pipe | |
| 11 | 046K0600 | 1 | 1 | 1 | 1 | | | | | | | Radiator Hose - Transfer Pipe to Swirl-pot | |
| 12 | 046K0012 | 1 | 1 | 1 | 1 | | | | | | | Radiator Hose - Transfer Pipe to Engine | |
| 13 | 046K0011 | 1 | 1 | 1 | 1 | | | | | | | Radiator Hose - Engine to Swirl-pot | |
| 14 | 046K6006 | 10 | 10 | 10 | 10 | | | | | | | Hose Clip - Hose Clamp | |
| | 050K0075 | 2 | 2 | 2 | 2 | | | | | | | Hose Clip - Hose Clamp | |
| | 046K6007 | 1 | 1 | 1 | 1 | | | | | | | Hose Clip - Hose Clamp | |
| 15 | 046K0055 | 1 | 1 | 1 | 1 | | | | | | | Swirl Pot | |
| | YUFN050F | 1 | 1 | 1 | 1 | | | | | | | Nut - Swirl-pot to Chassis | |
| | A05W1609 | 1 | 1 | 1 | 1 | | | | | | | Washer - Swirl-pot to Chassis | |
| 16 | J017 | 1 | 1 | 1 | 1 | | | | | | | Sleeve | |
| 17 | 046K6000 | 1 | 1 | 1 | 1 | | | | | | | Radiator Cap | |
| 18 | 046K0066 | 1 | 1 | 1 | 1 | | | | | | | Tube - Overflow | |
| 19 | 046E6346 | 1 | 1 | 1 | 1 | | | | | | | Thermostat |