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B-Stock, Display Units & More

Alternators

Belts

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24 Volt Alternators

Flat-Rate Rebuild Service

Our all new in-house program for customers who want their original unit restored to specifications using new internal components.

Flat-rate price: $249
60-day limited warranty on internal components
All internal parts replaced (bearings, brushes, rectifier, regulator, etc.)
Pulley replaced only if necessary
Original housing retained – no cosmetic work or refinishing included

Mechman Rebuild Service

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New Products

240 Amp Alternator for 2021-2026 Ford 2.7L, 3.5L & 5.0L Truck 12914240 Mechman

240 Amp Alternator for 2021-2026 Ford 2.7L, 3.5L & 5.0L Truck

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320 Amp Alternator for 2021-2026 Ford 2.7L, 3.5L & 5.0L Truck 12914320 Mechman

320 Amp Alternator for 2021-2026 Ford 2.7L, 3.5L & 5.0L Truck

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370 amp Elite series alternator for Ford 5.0 Truck Late 11532370 Mechman

370 amp Elite series alternator for Ford 5.0 Truck Late

$599.00

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250 amp Elite series alternator for 88-95 GM Truck B81657250B Mechman

250 amp Elite series alternator for 88-95 GM Truck

$524.00

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370 Amp Alternator Kit with Belt Included for 2013–2018 Dodge Ram 6.7L Cummins Diesel 11378370-WB Mechman

370 Amp Alternator Kit with Belt Included for 2013–2018 Ram 6.7L Cummins Diesel

Was: $628.99

Now: $599.00

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370 Amp Alternator Kit with Belt Included for 2011-2020 Ford 5.0 Truck Late

370 Amp Alternator Kit with Belt Included for 2011-2020 Ford 5.0 Truck Late

Was: $628.99

Now: $599.00

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370 Amp Alternator Kit with Belt Included to replace 2003-2007 Ford T mount 6G 7796370-WB Mechman

370 Amp Alternator Kit with Belt Included to replace 2003-2007 Ford T mount 6G

Was: $628.99

Now: $599.00

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400 Amp Alternator Kit with Belt Included for 2014-2018 GM Truck 14019400-WB Mechman

400 Amp Alternator Kit with Belt Included for 2014-2018 GM Truck

Was: $573.99

Now: $549.00

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Instructions | See All

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Ford Big Block RES Engine Assembly Instruction Manual
Download by clicking the PDF icon below. Engine Assembly Instruction Manual File: INSTR-BBF-A.pdf
calendar_today1st Dec 2025
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B11001170 Installation Instructions
Download by clicking the PDF icon below. Assembly Instruction Manual File: INSTR-MERCURY_B11001.pdf
calendar_today19th Sep 2025
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Ford V-Mount Alternator Installation Instructions
Download by clicking the PDF icon below. Assembly Instruction Manual File: INSTR-11434_2-19-24.pdf

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calendar_today26th Aug 2025
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MM-VC4 Instructions
Download by clicking the PDF icon below. Assembly Instruction Manual File: INSTR-MM-VC4.pdf

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calendar_today26th Aug 2025
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Warnings All
Download by clicking the PDF icon below. Assembly Instruction Manual File: INSTR-WARNINGS-ALL.pdf

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calendar_today25th Aug 2025
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48-Volt Warning
Download by clicking the PDF icon below. Assembly Instruction Manual File: INSTR-48V-WARN_3-28-2025.

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calendar_today25th Aug 2025
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Pulley Warning
Download by clicking the PDF icon below. Assembly Instruction Manual File: INSTR-WARNING-PULLEY.pdf

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calendar_today25th Aug 2025
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P101-L Voltage boost harness for GM 4 pin regulators
Download by clicking the PDF icon below. Assembly Instruction Manual File: INSTR-P101-L_2021.pdf

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calendar_today25th Aug 2025