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  3. LUCAS 41693A

LUCAS 41693A Mgb Distributor 45DE4 4177

fits year: 1977–1980.

41693a Lucas 45de4 Oem 1977-1980 Mg Mgb Distributor 4177 Original Part

( Brand: Lucas ), ( Manufacturer Part Number: 41693A ), ( Type: Distributor ), ( Material: Metal ), ( Vintage Part: Yes )

Review LUCAS Oem Mg Mgb Distributor Original Part fits 1977–1980

The Lucas 41693A 45DE4 distributor, specifically designed for use in MGB vehicles manufactured between 1977 and 1980, is an essential component of the ignition system. This distributor is a vital part in delivering the precise spark to each cylinder at the correct time for efficient and reliable engine operation.

The Lucas 41693A 45DE4 distributor features a robust and durable design, with a die-cast aluminum housing that protects the internal components from the harsh engine environment. The distributor cap, which is included in this part number, is designed to accommodate five spark plug wires, each one connected to a respective ignition coil and cylinder.

The distributor rotor, which rotates inside the distributor cap, is precision-machined to ensure accurate timing and reliable ignition. The rotor is also fitted with a vacuum advance mechanism, which allows the engine to adjust the ignition timing in response to varying engine loads for optimal fuel efficiency and power delivery.

The Lucas 41693A 45DE4 distributor also includes a centrifugal advance mechanism, which utilizes the engine's rotational speed to advance the ignition timing for improved performance at higher engine speeds. This combination of vacuum and centrifugal advance mechanisms allows the distributor to optimize ignition timing for various engine conditions, ensuring efficient and smooth engine operation.

Additionally, the Lucas 41693A 45DE4 distributor comes with a set of new vacuum and centrifugal advance diaphragms, as well as a new rotor seal, ensuring a tight seal and preventing any potential leakage.

In summary, the Lucas 41693A 45DE4 distributor is a high-quality, durable component designed to deliver precise and efficient ignition to MGB engines manufactured between 1977 and 1980. Its robust design, combined with vacuum and centrifugal advance mechanisms, ensures optimal engine performance under various conditions.

Lucas 41693A 45DE4 MGB Distributor (1977-1980): Pros, Cons, and Conclusion

The Lucas 41693A 45DE4 distributor, which was used in MGB vehicles between 1977 and 1980, is an essential part of the ignition system. Let's discuss the key advantages and disadvantages of this distributor:

Pros:

1. Authenticity: This Lucas distributor is an original equipment manufacturer (OEM) part, ensuring it is designed specifically for the MGB and will fit perfectly.

2. Reliability: Lucas distributors have a reputation for being robust and long-lasting, making them a reliable choice for classic car owners.

3. Proper Timing: The Lucas distributor will ensure the correct ignition timing, which is crucial for optimal engine performance and longevity.

Cons:

1. Worn Parts: After many years of use, the internal components of the distributor, such as the points and condenser, may wear out and require replacement.

2. Electrical Issues: Lucas distributors can experience electrical issues, such as a weak or intermittent spark, which may be due to worn contacts or a faulty ignition coil.

3. Difficulty in Finding New Parts: It can be challenging to find new parts for older Lucas distributors, as they are no longer in production.

Conclusion:

The Lucas 41693A 45DE4 distributor is a reliable and authentic part for MGB vehicles from 1977 to 1980. However, it may require occasional maintenance, such as points and condenser replacement, and can experience electrical issues. Given the availability of aftermarket alternatives, it may be worth considering a high-quality aftermarket distributor to ensure the long-term performance and ease of maintenance for your MGB.

Recommendation:

If you are looking for a reliable and authentic distributor for your MGB (1977-1980), the Lucas 41693A 45DE4 distributor is a solid choice. However, be prepared for occasional maintenance and potential electrical issues. As an alternative, consider a high-quality aftermarket distributor from a reputable manufacturer for ease of maintenance and potential cost savings.

Details:

Comes as shown. Being sold as a rebuild able core.

part #: 41693a prices

  • $35.00-$64.99

specifications disripa:

  • for years: 1977-1980
  • brand: Lucas
  • mpn: 41693a
  • type: Distributor
  • material: Metal
  • vintage part: Yes

shipping disripa:

  • cost: $9.00
  • type: Fixed
  • transit: 7-11 Days
  • class: Standard
  • carrier: USPS
  • service: USPS Ground Advantage

general disripa:

  • Car Truck Parts Accessories > Ignition Systems Components > Distributors
  • condition: For parts or not working

payments disripa:

  • wallet: Paypal
  • other
  • credit card: Diners-club

offer disripa:

  • options: Ship-to-home
  • started: February 20, 2026
  • quantity: 1
  • sold: 0
  • availability: In Stock

seller disripa:

  • city: Rockford, Illinois
  • rating: 100.0%
  • # reviews: 495

returns disripa:

  • policy: No Returns
for years: 1977-1980, type: distributor, vintage part: yes,
category: auto parts > car truck parts accessories > ignition systems components > distributors, material: metal, sku: 15384897719236793,
Lucas 41693A Is Similar To:
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5 offers $35.00–$64.99 USD
  • For parts or not working. Offer #1 priced at $35.00 + $9.00 shipping estimate = $44.00* total. Being sold as a rebuildable core. Used.+$9.00 shipping
  • Used. Offer #2 priced at $64.99 + $16.50 shipping estimate = $81.49* total. This is a Lucas 41697 distributor and housing removed from a 1978 1500 spitfire.+$16.50 shipping
  • Used. Offer #3 priced at $37.49 + $0.00 shipping estimate = $37.49* total. It is important to check the part number on your old distributor. OEM Original.FREE SHIPPING
  • New. Offer #4 priced at $188.85 + $0.00 shipping estimate = $188.85* total. Triumph Spitfire 1975-1976 L 4 1.5 GAS Factory Electronic Ignition; Negative 12-Volt Polarity; OE Distributor Lucas . 4-CYLINDER, SINGLE POINT, 12-VOLT NEGATIVE EARTH.FREE SHIPPING
  • Used. Offer #5 priced at $60.00 + $0.00 shipping estimate = $60.00* total. It looks to be in good condition, but I have no way to test it. For sale is a Lucas distributor, number 41617A.FREE SHIPPING

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