Joel and Kent explain all the work they did on a good used 5 cylinder turbo engine before installing it into a W123 300D. The engine originally came from a W126 300SD so some modifications were made as well. Below you can find links to all the parts, links and instructions referred to in this video. CLICK SHOW MORE to view:

Diesel Repair and Tuning Manuals written by Kent Bergsma

Diesel Performance Tuning: https://mercedessource.com/store/616-617-diesel-performance-tuning-and-repair-manual-kent-bergsma
Vacuum System Troubleshooting: https://mercedessource.com/store/diesel-616-617-vacuum-source-troubleshooting-and-repair-kent-bergsma
Diesel Automatic Transmission Tuning for Peak Performance; https://mercedessource.com/store/diesel-automatic-transmission-peak-performance-tuning-manual-kent-bergsma
Diesel Diagnostic Guide: https://mercedessource.com/store/diesel-engine-advanced-fault-diagnostic-manual-kent-bergsma
Transmission Removal and Replacement: https://mercedessource.com/store/automatic-transmission-removal-and-replacement-kent-bergsma

Diesel engine repair videos only

Valve Cover Leak Repair Modification: https://mercedessource.com/store/search?keys=valve%20cover
Turbo Elbow Modification of Better Sealing: https://mercedessource.com/store/making-certain-the-turbo-inlet-elbow-seals-stay-place-demand-video
Turbo Elbow Seals: https://mercedessource.com/store/617-turbo-diesel-intake-elbow-rubber-seal-replacement-kit


Link to Diesel Engine Service Parts and Kits with Instructions

Oil Filter Housing Gasket and Repair: https://mercedessource.com/store/search?keys=oil%20filter%20housing

Vacuum Shutoff Repair, Parts and Troubleshooting: https://mercedessource.com/store/search?keys=vacuum%20shutoff

Fuel Injector Rebuild Tools and Parts: https://mercedessource.com/store/search?keys=diesel%20fuel%20injector

Glow Plug Replacement and Carbon Reaming: https://mercedessource.com/store/search?keys=glow%20plugs

Diesel Motor Mount Replacement: https://mercedessource.com/store/search?keys=diesel%20motor%20mounts

Diesel Valve Adjustment: https://mercedessource.com/store/search?keys=diesel%20valve%20adjustment

Front Crank Seal Replacement: https://mercedessource.com/store/search?keys=front%20crank%20seal

Turbo Charger Overhaul: https://mercedessource.com/store/search?keys=turbo%20charger%20overhaul

Turbo Drain Pipe Reseal Kit: https://mercedessource.com/store/617-turbo-diesel-turbocharger-oil-drain-leak-fix-kit

Voltage Regulator: https://mercedessource.com/store/search?keys=voltage%20regulator

Lift Pump Overhaul - COMING SOON.

Short Hose Replacement Kit: https://mercedessource.com/store/240d-300d-300sd-diesel-engine-short-hose-kit

Thermostat Kit: https://mercedessource.com/store/search?keys=thermostat

Clean aluminum coolant housings - repair kit and video: https://mercedessource.com/store/aluminum-coolant-housing-hose-nipple-restoration-kit

H.D. Air filter housing bracket: https://mercedessource.com/store/617-turbo-diesel-air-cleaner-reinforced-bracket-installation-kit

Air filter housing rubber mount kit: https://mercedessource.com/store/turbo-diesel-air-filter-housing-rubber-mount-repair-kit

Heat shields for rubber mounts: https://mercedessource.com/store/617-turbo-diesel-air-cleaner-rubber-mount-heat-shields-set-3

Other Repairs often needed:

Diesel Physical Exam Kit: https://mercedessource.com/store/search?keys=physical%20exam%20kit

Timing Chain Replacement: https://mercedessource.com/store/search?keys=timing%20chain%20replacement

Transmission Reseal Kit” https://mercedessource.com/store/617-turbo-diesel-transmission-front-reseal-kit-late