EP-FD21 Distributor for Ford 300 CID 4.9L Inline Six 1987-1991 (Replaces E7TE-12127-EA)

The EP-FD21 is a complete electronic distributor for the Ford 300 CID (4.9L) inline six EFI in F-150/F-250/F-350 pickups, Bronco, and E-series Econoline vans (1987-1991). The legendary Ford 300 truck six — one of the most durable engines ever produced. For 1992-1996 version see EP-FD08. Ships with TFI module, cap, and rotor. Replaces E7TE-12127-EA / E7TZ-12127-E / E8TE-12127-AA / 84-2669. ISO 9001:2015, CE-EMC, UL, UKCA certified.

EP Aftermarket Ignition Distributor

EP-FD21 — Ignition Distributor for Ford 4.9L 300 CID Inline Six 1987-1991

Ford EFI distributor · 4.9L 300 CID inline six · F-series Bronco E-series 1987-91 · Replaces E7TE-12127-EA E8TE-12127-AA

ISO 9001:2015CE-EMCUKCAGlobal Export

Model

EP-FD21

Type

EFI Electronic

Engine

4.9L 300 CID I6

App

F-series/Bronco/E-series

OEM

E7TE-12127-EA

Technical specifications

ParameterDetail
EP Model No.EP-FD21 / XL-2669
Product typeElectronic Ignition Distributor — Complete Assembly
Vehicle applicationFord F-150 / F-250 / F-350 · Ford Bronco · Ford E-150 / E-250 / E-350 Econoline · 4.9L 300 CID inline six
EngineFord 300 CID (4.9L) OHV Inline Six-Cylinder
Years1987-1991
IncludesDistributor body, TFI module, cap, and rotor
Replaces OEME7TE-12127-EA · E7TZ-12127-E · E8TE-12127-AA · 84-2669
CertificationISO 9001:2015 · CE-EMC · UL · UKCA
BrandEP (Ever-Power)

The EP-FD21 is a complete electronic distributor for the Ford 4.9L (300 CID) inline six-cylinder engine in EFI configuration for the 1987-1991 model years. The Ford 300 CID inline six is one of the most respected truck engines in American automotive history -- produced from 1965 through 1996 in continuous development and known for exceptional torque output, near-indestructible bottom-end strength, and low-RPM pulling power that made it the preferred work truck engine for a generation of commercial and agricultural operators.

Ford introduced EFI to the 300 CID six in 1987, transitioning from the earlier carbureted and Duraspark electronic ignition system to EEC-IV with a TFI distributor. The EFI six delivers improved cold-start reliability, better fuel economy, and reduced emissions compared to the carbureted version, while maintaining the 300's legendary durability. The EP-FD21 covers the 1987-1991 EFI six distributor -- for the 1992-1996 4.9L see EP-FD08.

The EP-FD21 replaces the primary OEM references for this application: E7TE-12127-EA and E8TE-12127-AA. Ships with TFI module, cap, and rotor for direct plug-in installation.

EP Ford distributor precision production equipment

Key features

Ford 300 CID 4.9L inline six EFI -- 1987-1991

Covers the EFI era of Ford's legendary 300 CID truck six across F-series pickups, Bronco, and E-series vans for the 1987-1991 model years.

Legendary Ford 300 truck engine service

The Ford 300 inline six is one of the most reliable truck engines ever produced. EFI distributor replacement is a routine high-mileage maintenance item for these long-lived engines.

Complete TFI EFI assembly

Ships with TFI module, cap, and rotor. Direct OEM replacement for the 1987-1991 4.9L EFI distributor.

Replaces E7TE-12127-EA and E8TE-12127-AA

Covers the main OEM references for this critical truck six-cylinder application.

Vehicle fitment

MakeModelYearsEngine
FordF-150 / F-250 / F-350 Pickup1987-19914.9L 300 CID I6 EFI
FordBronco1987-19914.9L 300 CID I6 EFI
FordE-150 / E-250 / E-350 Econoline1987-19914.9L 300 CID I6 EFI
FordE-150/E-350 Econoline Club Wagon1987-19914.9L 300 CID I6 EFI

EP Ford distributor full series compatibility overview

Application scenarios

F-series and Bronco 300 six fleet

Commercial and fleet operators running F-150/F-250 and Bronco with the 4.9L six replace EFI distributors at high mileage with EP-FD21.

Econoline van 300 six service

E-series van operators with the 4.9L six use EP-FD21 for reliable EFI distributor replacement.

Ford 300 six specialty supply

Parts suppliers serving the enthusiast community around the Ford 300 CID engine stock EP-FD21 for the 1987-1991 EFI version.

Installation guide

Disconnect battery. The Ford 300 CID six distributor is located at the rear of the inline engine. Mark rotor position and housing alignment for the 300 CID six firing order (1-5-3-6-2-4). Disconnect TFI module connector and vacuum advance hose. Remove hold-down and old distributor. Install EP-FD21 in same orientation. Reconnect connector and hose. EEC-IV manages timing -- no adjustment required if installed correctly.

Need pricing or technical assistance?

We respond within 24 hours · MOQ as low as 1 unit · OEM/private-label available

Quality assurance

Every EP Ford distributor is manufactured under ISO 9001:2015 certified quality management. Each unit is individually tested for cap-to-rotor alignment, TFI module function (EFI-era units), pickup signal integrity, shaft seal condition, and distributor gear specification before shipment. CE-EMC electromagnetic compatibility certification, UL listing, and UKCA conformity confirm compliance across all major export markets. Units ship complete with cap and rotor -- TFI module included on EFI-era units where applicable.

EP ISO 9001 CE EMC UL UKCA enterprise certifications

More EP HEI distributors

ModelApplicationEngine
EP-FD28Ford Taurus 2.5L / Tempo 2.3L 1984-1991EFI 4CYL Taurus/Tempo
EP-FD08Ford Bronco/F-350 4.9L I6 1992-1996300 CID I6 EFI later
EP-FD18Ford Bronco/Ranger 4.9L/V6 1986-1992Bronco/Ranger EFI
EP-FD29Ford Taurus/Thunderbird 3.8L Essex V6 1988-953.8L Essex V6
EP-FD12Ford Aerostar/Ranger/Windstar 3.0L Vulcan V63.0L Vulcan V6
EP-FD07Ford FE 390/406 Classic 1958-1971FE V8 Classic era
EP-FD06Ford Bronco/Country Sedan Classic FE V81st-gen Bronco Classic
EP-FD20Ford Bronco 1978 6.6L 400M V8 Duraspark400M Duraspark

About the manufacturer

EP (Ever-Power) — Automotive Ignition Specialist Since 1999

25+

Years in production

300+

Distributor models

80%

Export ratio

4

Certifications

Founded in 1999 in Ningbo, Zhejiang Province, EP manufactures over 300 distributor models serving global aftermarket channels. Our Ford Distributor range covers every major Ford engine platform in the distributor era -- the 4.9L inline six, the 5.0L and 5.8L Windsor V8, the 7.5L 460 big block, the 3.0L Vulcan V6, the 3.8L Essex V6, the 2.3L/2.5L HSC four-cylinder, and the classic FE 390/406 and FE 400M/460 big block families.

EP ignition distributor production line

EP Ford distributors are engineered as direct OEM replacements -- same external dimensions, same connector configuration, same TFI module interface, and same distributor gear material specification as the original Motorcraft units. Wholesale buyers, Amazon resellers, and service chains source directly from our factory. EP is part of the Ever-Power Group, also producing planetary gearboxes and a comprehensive range of mechanical transmission products.

Frequently asked questions

What are the symptoms of a failing Ford EFI distributor or TFI module?
The most common Ford EFI distributor failure is the TFI (Thick Film Ignition) module overheating and failing. Classic symptoms include: engine starts cold but stalls after reaching operating temperature, cools down and restarts, then stalls again -- the characteristic TFI heat-related failure pattern. Other symptoms include rough idle, loss of power at high RPM, intermittent no-start conditions, and a check engine code for the PIP (Profile Ignition Pickup) signal from the distributor. The distributor body itself can also wear -- shaft play, worn drive gear, or deteriorated seals allowing oil contamination of the internal components. When the TFI module fails, replacing the complete distributor assembly (including the new TFI module) is more reliable than replacing the TFI module alone on a worn distributor housing.
Does the EP-FD21 ship with the TFI module, cap, and rotor?
Yes. The EP-FD21 ships as a complete plug-and-play assembly. For EFI-era Ford distributors (1984 and later), the unit includes the distributor body, TFI (Thick Film Ignition) module, distributor cap, and rotor. For Duraspark-era distributors (1975-1983), the unit includes the distributor body, cap, and rotor with the magnetic pickup assembly. For classic-era FE distributors (pre-1975), the unit includes the distributor body, cap, and rotor. No additional ignition components are required for direct OEM replacement. The unit is ready to install after transfer of the vacuum advance hose and spark plug wires from the old distributor.
What is the difference between the EP-FD21 (1987-1991) and EP-FD08 (1992-1996) for the Ford 4.9L six?
Both cover the Ford 300 CID 4.9L inline six EFI, but the 1992 model year brought a revised distributor specification with different OEM part numbers (F2TZ-12127-D for EP-FD08 vs E7TE-12127-EA for EP-FD21). The connector configuration and TFI module version may differ between the two production periods. Always verify the OEM part number on your existing distributor -- if it shows E7TE or E8TE series numbers, order EP-FD21; if it shows F2TZ series numbers, order EP-FD08.
What is the difference between distributor-mounted TFI and remote-mounted TFI?
Ford's TFI (Thick Film Ignition) module appears in two configurations: distributor-mounted, where the module clips directly onto the side of the distributor housing; and remote-mounted, where the module bolts to a separate heat sink bracket away from the distributor. Early EFI distributors (approximately 1985-1991) typically use distributor-mounted TFI. Later applications (particularly 1992-1996 F-series and Bronco) commonly use remote-mounted TFI to reduce heat exposure to the module. Additionally, there are two TFI module generations: the gray push-start module (1985-1993) and the black CCD (Computer Controlled Dwell) module (1994-95 Mustang and some later applications). The gray and black modules are NOT interchangeable. EP distributors ship with the correct module type for the listed application.
Do I need to reset the timing after replacing the Ford EFI distributor?
For most Ford EFI applications (1984 and later with EEC-IV), the base timing is computer-controlled and not adjusted with a timing light after distributor replacement -- provided the distributor is installed in the same orientation as the original. Mark the rotor position and housing alignment carefully before removing the old distributor, and install the new unit in the identical position. For 1983 EEC-III and earlier Duraspark-equipped vehicles, base timing IS field-adjustable and requires setting with a timing light after installation. For classic FE era vehicles (pre-1975), timing must always be set with a timing light after distributor replacement. Consult the factory service manual for your specific vehicle year and engine.
How do I order the EP-FD21 for export or wholesale?
EP supports single-unit orders for market sampling, carton quantities for repair shops and parts counters, and container-volume wholesale orders. Standard production lead time is 15-30 days. OEM branding and private-label packaging are available for qualifying volumes. Contact our team via the inquiry form or WhatsApp for pricing and availability.

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Disclaimer: Ford, Mercury, Lincoln, Motorcraft, and other brand names and OEM part numbers are used for product compatibility reference only. EP (Ever-Power) products are high-quality aftermarket replacement parts and are not affiliated with Ford Motor Company or its subsidiaries. Always verify fitment using the OEM part number on your existing distributor before ordering. All trademarks remain the property of their respective owners.

LMC

Additional information

Editd by

LMC

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1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
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