1993 Buick Roadmaster Electrical Parts

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator. Read more

10 Alternator / Generator parts for the 1993 Buick Roadmaster come from 6 brands — ACDELCO, PURE ENERGY, REMY and 3 other brands. The "Popular" part is ACDELCO 3351040.

The New section lists 5 options from ACDELCO, WAI GLOBAL, PURE ENERGY and 2 other brands — brand-new units rather than rebuilt ones. ACDELCO 3351040 is listed in this group.

The Remanufactured section lists 5 options from ACDELCO, FVP, PURE ENERGY and 2 other brands — factory-rebuilt units with new wear components. ACDELCO 3342407A is listed in this group.

This table covers the brushes inside the alternator. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS RX145.

This table covers the rectifier diode packs in the alternator. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS D67.

This table covers the bearings in the alternator housing. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

One part is listed for the 1993 Buick Roadmaster — ACDELCO 203FF.

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery. Read more

6 Battery parts are listed for the 1993 Buick Roadmaster, from DEKA, FULLRIVER, FVP and 1 other brand. DEKA 9A78DT carries the "Popular" badge.

The AGM (Extended Life) section lists 4 options from DEKA, FVP and ACDELCO — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A78DT is listed in this group.

The Performance AGM (Extended Life + Increased Power) section lists 2 options from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT61047 is listed in this group.

This group includes DEKA 9A78DT, FVP 78AGMG and ACDELCO 78XAGM and the remaining parts above.

This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

6 Battery Cable parts for the 1993 Buick Roadmaster come from 5 brands — DEKA, ACDELCO, STANDARD MOTOR PRODUCTS and 2 other brands. The "Popular" part is ACDELCO 2SD35X.

This group includes ACDELCO 2SD35X, STANDARD MOTOR PRODUCTS A352D and DEKA 00302 and the remaining parts above.

This table covers the clamps and brackets that secure the battery. Read more

This group shows a single part: DORMAN 390030.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

One part is listed for the 1993 Buick Roadmaster — DEKA 00351.

This table covers the resettable circuit breakers in this vehicle's electrical system. Read more

One part is listed for the 1993 Buick Roadmaster — STANDARD MOTOR PRODUCTS BR34.

This table covers the Cruise control modules. Read more

This group shows a single part: BSE CM4016.

This table covers the engine-control modules that run fuel, spark and emissions. Read more

3 Engine Control Module (ECM Computer) parts for the 1993 Buick Roadmaster come from 3 brands — BSE, CARDONE and GM GENUINE.

This group includes BSE EM6965, CARDONE 776965 and GM GENUINE 88999162.

This table covers the flasher units that blink the turn signals and hazards. Read more

8 Flasher parts are listed for the 1993 Buick Roadmaster, from BUSSMANN, STANDARD MOTOR PRODUCTS, TRIDON / NOVITA and 1 other brand. BUSSMANN 552 carries the "Popular" badge.

The Super Heavy-Duty Electronic section lists 1 option from BUSSMANN — grouped under the catalog's "Super Heavy-Duty Electronic" designation — the notes column spells out what sets them apart. BUSSMANN 232 is listed in this group.

The Thermal section lists 1 option from BUSSMANN — grouped under the catalog's "Thermal" designation — the notes column spells out what sets them apart. BUSSMANN 552 is listed in this group.

6 ungrouped parts are not assigned to a grade, with the same engine-level match.

Part numbers include BUSSMANN 552, BUSSMANN 232 and STANDARD MOTOR PRODUCTS EFL552, among others listed above.

This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse. Read more

21 Fuse parts are listed for the 1993 Buick Roadmaster, from BUSSMANN and LITTELFUSE. BUSSMANN ATC10 carries the "Popular" badge.

The 10 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC10 is listed in this group.

In the 15 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATC15.

In the 20 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATC20.

The 25 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC25 is listed in this group.

The 30 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC30 is listed in this group.

The 5 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC5 is listed in this group.

In the 7.5 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATC712ID.

This table covers the horns mounted in the front of the vehicle. Read more

19 Horn parts are listed for the 1993 Buick Roadmaster, from FIAMM, STANDARD MOTOR PRODUCTS, ACDELCO and 2 other brands. FIAMM 72112 carries the "Popular" badge.

In the Accessory Replacement grade, FIAMM supplies 6 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 72112.

The Standard Replacement section lists 13 options from FIAMM, STANDARD MOTOR PRODUCTS, ACDELCO and 2 other brands — built to original-equipment specification. FIAMM 7200223 is listed in this group.

This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor. Read more

3 Speed Sensor parts are listed for the 1993 Buick Roadmaster, from NTK, STANDARD MOTOR PRODUCTS and WALKER PRODUCTS.

Part numbers include NTK VB0032, STANDARD MOTOR PRODUCTS SC12 and WALKER PRODUCTS 2401095.

This table covers the brushes inside the starter motor. Read more

2 Starter Brush parts are listed for the 1993 Buick Roadmaster, from STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: STANDARD MOTOR PRODUCTS RX60 and WELLS 5A1011.

This table covers the starter drives that engage the flywheel ring gear. Read more

One part is listed for the 1993 Buick Roadmaster — STANDARD MOTOR PRODUCTS SDN1A.

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

14 Starter Motor parts for the 1993 Buick Roadmaster come from 8 brands — TERREPOWER, PURE ENERGY, ACDELCO and 5 other brands. The "Popular" part is PURE ENERGY 3510MSN.

The New section: 6 options from PURE ENERGY, ACDELCO, BOSCH and 3 other brands. PURE ENERGY 3510MSN is listed in this group.

The Remanufactured section: 8 options from TERREPOWER, ACDELCO, GM GENUINE and 4 other brands. ACDELCO 3361823A is listed in this group.

This table covers the Starter Motor shims. Read more

One part is listed for the 1993 Buick Roadmaster — DORMAN 678211.

This table covers the Starter solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

4 Starter Solenoid parts for the 1993 Buick Roadmaster come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

The Economy section lists 1 option from STANDARD MOTOR PRODUCTS — the catalog's value-priced group. STANDARD MOTOR PRODUCTS SS251T is listed in this group.

Standard Replacement: 3 parts, from WELLS and STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS SS251.

This group includes STANDARD MOTOR PRODUCTS SS251T, STANDARD MOTOR PRODUCTS SS251 and WELLS 1M1028A and the remaining parts above.

This table covers the regulators that control alternator output voltage. Read more

3 Voltage Regulator parts are listed for the 1993 Buick Roadmaster, from STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: STANDARD MOTOR PRODUCTS VR472, STANDARD MOTOR PRODUCTS VR431 and WELLS 1V1060.