1962 Triumph TR3B Electrical Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 25 electrical parts for the 1962 Triumph TR3B, across 6 part types, covering both the 2.0L L4 and the 2.1L L4. Every part shows its brand, manufacturer part number and fitment notes.

On the 1962 Triumph TR3B, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Battery Cable (8 parts), Alternator / Generator (5 parts) and Battery (5 parts). The other 3 part types cover the remaining 7 parts.

Alternator / Generator

New

Brand Part Number Markets Notes Buy
WAI GLOBAL Popular Fits: all 1962 TR3B engines 15017N
🇺🇸 US
Does Not Include Pulley
Fitment notes — WAI GLOBAL 15017N
Does Not Include Pulley
22 Amps
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Remanufactured

Brand Part Number Markets Notes Buy
FVP Fits: all 1962 TR3B engines 15017
🇺🇸 US
RemanufacturedDoes Not Include Pulley
Fitment notes — FVP 15017
RemanufacturedDoes Not Include Pulley
with Generator22 Amps
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PURE ENERGY Fits: all 1962 TR3B engines 15017
🇺🇸 US
RemanufacturedDoes Not Include Pulley
Fitment notes — PURE ENERGY 15017
RemanufacturedDoes Not Include Pulley
with Generator22 Amps
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REMY Fits: all 1962 TR3B engines 15017
🇺🇸 US
Premium RemanufacturedDoes Not Include Pulley
Fitment notes — REMY 15017
Premium RemanufacturedDoes Not Include Pulley
with Generator25 Amps
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TERREPOWER Fits: all 1962 TR3B engines 15017
🇺🇸 US
RemanufacturedDoes Not Include Pulley
Fitment notes — TERREPOWER 15017
RemanufacturedDoes Not Include Pulley
with25 Amps
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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.

Alternator / Generator End Bearing

Economy

Brand Part Number Markets Notes Buy
WJB / INMOTION PARTS Fits: all 1962 TR3B engines RB6202
🇺🇸 US
Open Designwith Lucas Alternator
Fitment notes — WJB / INMOTION PARTS RB6202
Open Designwith Lucas Alternatorwith 22 Amps AlternatorC40 ModelsDrive End
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Standard Replacement

Brand Part Number Markets Notes Buy
BCA Fits: all 1962 TR3B engines NB202
🇺🇸 US
22 Ampswith Lucas, C40 Alternator
Fitment notes — BCA NB202
22 Ampswith Lucas, C40 AlternatorDrive End
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NATIONAL Fits: 2.1L L4 202
🇺🇸 US
Open Designwith Lucas Alternator
Fitment notes — NATIONAL 202
Open Designwith Lucas Alternatorwith 22 Amps AlternatorC40 ModelsDrive End
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Brand Part Number Markets Notes Buy
NATIONAL Fits: 2.0L L4 202
🇺🇸 US 🇨🇦 CA
Fits Front22 Amp Alternator
Fitment notes — NATIONAL 202
Fits:
Front22 Amp Alternatorwith Lucas AlternatorOpen DesignC40 Models
or:
FrontOpen Designwith Lucas Alternatorwith 22 Amps AlternatorC40 Models
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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.

Battery

AGM (Extended Life)

Brand Part Number Markets Notes Buy
BOSCH Fits: 2.1L L4 T631P
🇺🇸 US
AGMValve Regulated
Fitment notes — BOSCH T631P
AGMValve RegulatedAGMBCI Group 31CCA 925RC 190(LxWxH) 13.0" x 6.75" x 9.5"
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EXIDE Fits: 2.1L L4 MX24
🇺🇸 US
Marathon MaxBCI Group 24
Fitment notes — EXIDE MX24
Marathon MaxBCI Group 24CCA: 700120 Minute Reserve Capacity(LxWxH) 10.19" x 6.75" x 8.63"
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Performance AGM (Extended Life + Increased Power)

Brand Part Number Markets Notes Buy
FULLRIVER Fits: 2.1L L4 FT96527
🇺🇸 US
BCI Group 27(Length X Width X Height) 12.09 In x 6.65 In x 9.33 In
Fitment notes — FULLRIVER FT96527
BCI Group 27(Length X Width X Height) 12.09 In x 6.65 In x 9.33 InAGMCCA: 965
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Brand Part Number Markets Notes Buy
BOSCH Fits: 2.0L L4 T631P
🇺🇸 US
AGMValve Regulated
Fitment notes — BOSCH T631P
AGMValve RegulatedAGMBCI Group 31CCA 925RC 190(LxWxH) 13.0" x 6.75" x 9.5"
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EXIDE Fits: 2.0L L4 MX24
🇺🇸 US
Marathon MaxBCI Group 24
Fitment notes — EXIDE MX24
Marathon MaxBCI Group 24CCA: 700120 Minute Reserve Capacity(LxWxH) 10.19" x 6.75" x 8.63"
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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.

Battery Cable

Brand Part Number Markets Notes Buy
DEKA Popular Fits: 2.1L L4 00295
🇺🇸 US
Red4 Gauge
Fitment notes — DEKA 00295
Red4 Gauge1 Lead25 In Length
PositiveAuxiliary Lead Wires May Not be Required.
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STANDARD MOTOR PRODUCTS Popular Fits: all 1962 TR3B engines A304L
🇺🇸 US
PositiveSwitch To Starter
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DEKA Fits: 2.1L L4 00287
🇺🇸 US
Red4 Gauge
Fitment notes — DEKA 00287
Red4 Gauge18 in Length
Switch To Starter4 Gauge 18 in. RedSwitch To Starter
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DEKA Fits: 2.1L L4 00365
🇺🇸 US
Red2 Gauge
Fitment notes — DEKA 00365
Red2 Gauge10 In Length
Negative
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DEKA Fits: 2.1L L4 00301
🇺🇸 US
Silver4 Gauge
Fitment notes — DEKA 00301
Silver4 Gauge9 In Length
Negative Ground Strap 2 Gauge 9in. Black
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DEKA Fits: 2.1L L4 00296
🇺🇸 US
Red4 Gauge
Fitment notes — DEKA 00296
Red4 Gauge1 Lead32 In Length
PositiveAuxiliary Lead Wires May Not be Required.
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STANDARD MOTOR PRODUCTS Fits: all 1962 TR3B engines 7304SC
🇺🇸 US
Federal Wire
Fitment notes — STANDARD MOTOR PRODUCTS 7304SC
Federal Wire
PositiveSwitch To Starter
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STANDARD MOTOR PRODUCTS Fits: all 1962 TR3B engines B9
🇺🇸 US
NegativeBATTERY TO GROUND
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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.

Battery Terminal

Brand Part Number Markets Notes Buy
DEKA Fits: 2.1L L4 00350
🇺🇸 US
Top Post Terminal
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DEKA Fits: 2.1L L4 01056
🇺🇸 US
Top Post Terminal Lead Free
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This table covers the terminals and clamps that connect cables to the battery posts.

Starter Solenoid Switch Cover

Brand Part Number Markets Notes Buy
METRO Fits: all 1962 TR3B engines RP1
🇺🇸 US 🇨🇦 CA
Sold IndividuallyReproduction
Fitment notes — METRO RP1
Sold IndividuallyReproduction
Base ModelStarter Solenoid Button Cover
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This table covers the Starter Solenoid Switch covers.

Buying Electrical Parts for a 1962 Triumph TR3B

On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.

  • Match the engine first. Some electrical parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Battery Cable and Alternator / Generator .

Frequently Asked Questions

How many electrical parts fit the 1962 Triumph TR3B?

Our catalog currently lists 25 electrical parts for the 1962 Triumph TR3B across 6 subcategories and 14 brands, covering both the 2.0L L4 and the 2.1L L4. Each part is matched to the engine(s) it fits.

Do electrical parts differ between 1962 Triumph TR3B engines?

Some do. 11 parts fit every engine; the other 14 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of electrical problems on a 1962 Triumph TR3B?

Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1962 Triumph TR3B was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 1962 Triumph TR3B?

First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 1962 Triumph TR3B

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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.