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XDT4220
• Delco CS130D Series IR/IF Alternators• 40A press-fit avalanche diodes, OE validated• Replaces - DELCO 10491097, 10492837, 10492838
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XDT4400
• Delco AD230 Series 105A IR/IF Alternators• 40A press-fit avalanche diodes• Notes - For version w/ M8 Battery Terminal use DR4403,Used with 42-1107 Insulator.• Replaces - DELCO 10494744
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XDT4403
• Delco AD230 Series 105A IR/IF Alternators• 40A press-fit avalanche diodes• Notes - For version w/ M6 Battery Terminal use DR4402,Used with 42-1107 Insulator.• Replaces - DELCO 19055072
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XDT5040
• Delco 10SI, 20SI, 30SI/TR Series IR/EF Alternators• 6-25A button diodes• Notes - For heavy duty version w/ 50 amp diodes, use DR5042• Replaces - AMC 8125178, CAT 358207, 366744, 377559, 3N3750, 7N122, 7N7122, 9N1203, DELCO 1852209, 1875627, 1891055, 1971987, 1984638, D3913, D3915, FIATALLIS 73117044
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XDT5050
• Delco 12SI Series 56-78A IR/EF Alternators• 6-25A button diodes• Notes - For heavy duty version w/ 50 amp diodes, use DR5052• Replaces - AMC 8134650, CASE A45220, DELCO 1984454, D3924