Milwaukee 0398-4 Driver/Drill OEM Replacement Parts From eReplacementParts.com

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Questions & Answers for Milwaukee 0398-4 (SER 778C)

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Fig #

Left Housing Assembly Obsolete - Not Available

$33.52

Part Number:14-38-0630

Discontinued

Right Housing Obsolete - Not Available

$9.88

Part Number:31-50-1070

Discontinued

Chuck Retaining Screw Torx

$3.99

Part Number:05-88-1425

Usually ships in 7 - 12 business days

$3.99

Chuck

$34.36

Part Number:48-66-0817

Usually ships in 7 - 12 business days

$34.36

Gear Box Assembly

$90.11

Part Number:14-30-0726

Usually ships in 7 - 12 business days

$90.11

Milwaukee 0398-4 (SER 778C) Driver/Drill 44-10-0390 OEM replacement Shift Lever

Shift Lever Obsolete - Not Available

$2.99

Part Number:44-10-0390

Discontinued

Thrust Washer

$3.99

Part Number:45-88-8590

Usually ships in 7 - 12 business days

$3.99

Shift Lever Ring Gear Obsolete - Not Available

$2.99

Part Number:32-65-0050

Discontinued

Spring

$3.99

Part Number:40-50-8310

Usually ships in 7 - 12 business days

$3.99

Slide - High/Low Obsolete - Not Available

$2.99

Part Number:45-24-0075

Discontinued

Milwaukee 0398-4 (SER 778C) Driver/Drill 14-50-0610 OEM replacement Motor Assembly

Motor Assembly Obsolete - Not Available

$47.65

Part Number:14-50-0610

Discontinued

Variable Speed Switch Obsolete - Not Available

$47.65

Part Number:23-66-2300

Discontinued

Milwaukee 0398-4 (SER 778C) Driver/Drill 31-50-0770 OEM replacement Gear Housing

Gear Housing Obsolete - Not Available

$4.99

Part Number:31-50-0770

Discontinued

T10 M3 Handle Screw

$4.99

Part Number:06-82-6350

In Stock

$4.99

Motor Mount Plate Obsolete - Not Available

$3.05

Part Number:44-66-0850

Discontinued

Milwaukee 0398-4 (SER 778C) Driver/Drill 42-70-0260 OEM replacement Clip - Chuck Key

Clip - Chuck Key Obsolete - Not Available

$2.99

Part Number:42-70-0260

Discontinued

Chuck Key

$6.67

Part Number:48-66-3350

In Stock

$6.67

Fig #

Repair Guides for Milwaukee Driver/Drill 0398-4 (SER 778C)

How to Remove a Stuck Drill Chuck

Broken gearboxes and sticky chuck screws can make removing a drill chuck difficult. This video explains the tricks you need to overcome these common repair setbacks.

Drilling, Fastening, and Hammering Power Tools

This article lists the major categories of drilling, fastening, and hammering tools, and explains the basic applications, types, and features of each.

How to Remove a Drill Chuck

This video explains steps for how to remove threaded-on chucks and taper-fit drill chucks, as well as steps for removing a spindle from an open-center chuck.