MGB Alternators - 4 Cylinder Models - 16AC Type 1968-1969 Only

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Part No.: GRID019877

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32
Aftermarket replacement for original Lucas type alternator. This 18 ACR 45 amp alternator will replace and upgrade 17 ACR 36amp units.
Qty Req-1, Model-GHN4/GHD4 Models to GHN4/GHD4-158230
5 out of 5 starsRead 1 Review(s)Rate and Review this Product
GXE8211
Out of stock, expected soon Nov 28, 2025. Add to cart and Back Order
£84.00 ex VAT£100.80 inc UK VAT
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NI
Many internally regulated alternators are wired for 5 electrical terminals.
The 5 terminal alternator design is obsolete and is now replaced by a 3 terminal type.
The following wiring instructions, provided by Lucas, outline the conversion procedure from the ‘5 terminal’ to ‘3 terminal’ type.
Disconnect Battery.
Cut off wiring terminal plugs from alternator wiring.
Remove and discard link wire (see illus. below).
Remove wiring harness tape approximately 1 inch.
Slide small insulator over remaining IND wire (brown/yellow), and solder to the small terminal.
Slide large insulator over positive lead wire (brown/white), and solder to the large terminal.
Separately tape back onto harness, the brown and black wires not used as they are no longer required.
Connect the small brown/yellow IND wire to the small terminal on the alternator.
Connect the large brown/white positive lead to either of the two large terminals on the alternator.
Re-connect the battery.
35_1TR_1
Qty Req-1
4.5 out of 5 starsRead 2 Review(s)Rate and Review this Product
GEU250
In stock
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£5.33 ex VAT£6.40 inc UK VAT
Quantity
33
If converting from 3 Terminal type connect as follows
Qty Req-1
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BHA4789
Out of stock, expected soon. Add to cart and Back Order
£44.00 ex VAT£52.80 inc UK VAT
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NI
Nylon snap-in nut for 17/64" (6.8mm) square hole and use with No.8 or 10 self tapping screws.
Head dia. 1/2" (12.7mm).
Qty Req-2, Item Info 2-regulator to inner wing
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GHF1030
In stock
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£0.60 ex VAT£0.72 inc UK VAT
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GGB503
In stock
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£3.80 ex VAT£4.56 inc UK VAT
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High torque slimline starter motor MGB & MGC.
Deceptively powerful.
Our slimline starters have an epicyclic in-line gear box which delivers extra power when engaged and an internal solenoid.
Extremely light and easy to fit, Slimlines pack a huge amount of power into such a small unit.
Designed for negative earth vehicles only, 12 volt, 1.6Kw, 10 tooth, Clockwise rotation.
Qty Req-1
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RAC811
Usually in stock at our supplier, allow 2 weeks for delivery
£308.02 ex VAT£369.62 inc UK VAT
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Performance, Compact, lightweight, high output alternator.

Suitable for race engines where space is a premium.
This compact alternator has been designed by us to the exact pattern and size of a traditional Lucas ACR type alternator. With an easily adjustable adaptor plate, the alternator can be mounted on either side of an engine.

Built in the UK to withstand vibration and engine harmonics, this unit will deliver maximum performance with minimum efficiency.

Negative earth, 50 Amp, 15mm shaft diameter, 12 Volt, 3 kg.

Suitable for Ford BDA, Pinto, X - Flow including A series engines such as A + B series BMC and BL types and Rover V8.

Fitted with RAC902 Plug connector. Early types had Green / Yellow leads, later types had Blue / Black leads. See RAC068R for large pulley version.
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RAC068
Usually in stock at our supplier, allow 2 weeks for delivery
£213.61 ex VAT£256.33 inc UK VAT
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Powerlite Lucas Type Multi Mount Alternator
Fitted with 100mm race spec pulley to aid high revs!

Compact, lightweight, high output alternator, suitable for all engines where space is a premium.

Built at our site in the UK, our race-proven.

Lightweight alternators have been designed to withstand vibration and engine harmonics, this unit will deliver maximum performance with minimum efficiency.

Negative Earth, 12 Volts, 50 Amps, 15mm Shaft Size, 3.00 kg.

Suitable for Ford BDA, Pinto, X - Flow including A series engines such as A + B series BMC and BL types and Rover V8.

Fitted with RAC902 Plug connector. Early types had Green / Yellow leads, later types had Blue / Black leads.
Qty Req-1
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RAC068R
Usually in stock at our supplier, allow 2 weeks for delivery
£299.00 ex VAT£358.80 inc UK VAT
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Lucas Type Multi Mount Alternator c/w Floating Pulley Compact.

Lightweight, high output alternator complete with the revolutionary Powerlite Floating Pulley - unique system to eliminate the possibility of the fan belt coming off in an over rev or missed gear situation.

Suitable for all engines where space is a premium.

Built at our site in the UK.

Our race-proven. Lightweight alternators have been designed to withstand vibration and engine harmonics, this unit will deliver maximum performance with minimum efficiency.

Negative Earth, 12 Volts, 50 Amps, 15mm Shaft Size, 3.00 kg.
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RAC068FP
Usually in stock at our supplier, allow 2 weeks for delivery
£474.01 ex VAT£568.81 inc UK VAT
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12 month warranty
Worldwide shipping
Price Match
Customer Comments
"Great selection and stock of parts, with fast shipping and good customer service." Customer Comment
Product Description

MGB Alternators - 4 Cylinder Models - 16AC Type 1968-1969 Only

Review: Don Price Submitted: 28/11/2020

Overall5 out of 5 stars.
verified

Subject
The plug fitted perfectly

Did this item work well with your project? What vehicle type are you using this for?
The spade connectors were soldered easily to the wires after the latter were clipped, stripped and tinned. The insulator fitted together round them correctly, with the assembled connector fitting the alternator pertfectly. Job Done! It took about 20 minutes in total to do the job properly. If you have not soldered before, it will take longer and you should practice on some spare wires and connectors first!

Review: Per Haagensen Submitted: 26/07/2020

Overall5 out of 5 stars.
verified

Subject
Fits well

Did this item work well with your project? What vehicle type are you using this for?
Fits well too the Alternator GXE8206. Triumph TR4

Review: Jon Submitted: 28/05/2020

Overall5 out of 5 stars.
verified

Subject
Need instructions!

Did this item work well with your project? What vehicle type are you using this for?
Hello guys! Thanks for all of your help. Question? I have a 71 tr6. I recently bought a new alternator but discovered my car has 5 wires but the alternator has only three places to plug in. Do you have any instructions on how the wires should be connected? Thanks! Jon