labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001
labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001 is a direct-fit replacement ignition module priced at $17.81. Designed for marine engines, it ensures reliable spark delivery in Volvo, Mercruiser, and OMC 4-cylinder, V6, and V8 applications, making it ideal for boat owners needing a cost-effective ignition repair.
● In stock
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Key features
- Fits Mercruiser, Volvo, OMC 4-cyl, V6, V8
- Replaces 811637, 811637T, 3854003, 18-5107-1
- Marine-grade construction for durability
- Direct OEM replacement, no modifications
- Ensures consistent spark and engine start
- Priced at $17.81 with in-stock availability
- labwork reliability for marine systems
Pros
- +Affordable at just $17.81
- +Exact fit for multiple marine brands
- +Resists moisture and vibration
- +Easy drop-in replacement
- +In stock and ready to ship
Cons
- −Not for high-performance tuning
- −No diagnostic features
- −Limited to specific GM-based engines
About labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001
What is labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001?
The labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001 is a high-performance replacement component engineered for marine outboard and sterndrive engines. It serves as a direct upgrade or repair solution for ignition systems in select Volvo Penta, Mercruiser, and OMC models. Priced at just $17.81, this ignition module delivers consistent spark timing and improved durability in demanding marine environments. Built to meet OEM specifications, it supports reliable engine starts and smooth operation across a range of 4-cylinder, V6, and V8 GM-based marine powerplants.
Key features
- Compatible Models — Fits Mercruiser, Volvo Penta, and OMC 4-cyl, V6, and V8 engines.
- OEM Replacement — Direct fit for part numbers 811637, 811637T, 3854003, and 18-5107-1.
- Reliable Ignition — Ensures consistent spark delivery for optimal engine performance.
- Marine-Grade Build — Designed to withstand moisture, vibration, and temperature shifts.
- Easy Installation — No modifications required; replaces old or failing units quickly.
- Cost-Effective — Affordable alternative to OEM at $17.81 with in-stock availability.
- Trusted Brand — labwork delivers quality aftermarket auto and marine components.
Who is labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001 for?
This ignition module is ideal for boat owners, marine mechanics, and DIY repair enthusiasts maintaining older Volvo Penta or Mercruiser-powered vessels. It’s especially valuable for those restoring or maintaining inboard/outboard systems where OEM parts have become scarce or overpriced. The module suits users seeking a dependable, no-frills replacement that restores engine function without complex tuning.
How does labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001 compare?
Compared to standard aftermarket ignition modules, the labwork 811637T offers broader compatibility across Volvo, Mercruiser, and OMC platforms. It matches OEM performance at a fraction of the cost, outperforming generic modules that may lack marine-specific hardening. While not a programmable performance unit, it exceeds basic replacements in reliability and fitment accuracy, making it a smarter choice than universal kits or rebuilt OEM cores.
Best use cases
- →Replacing failed ignition module in Mercruiser
- →Restoring spark in Volvo Penta 4-cyl engine
- →OEM upgrade for OMC V6 marine drive
- →DIY boat engine repair
- →Preventive maintenance on older sterndrive
Is labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001 right for you?
The labwork Ignition Module 811637T is best for boat owners or mechanics maintaining older Volvo, Mercruiser, or OMC marine engines. Ideal for DIYers with basic mechanical skills, it installs in minutes using common tools. If your engine misfires or won't start, this module is a logical first fix. Consider it over pricier OEM units or generic replacements lacking marine certification.
How it compares: Compared to generic ignition modules, the labwork 811637T offers superior marine compatibility and durability. It outperforms rebuilt OEM units in price and availability, while matching factory specs without the premium cost of dealer parts.
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What engines does the labwork Ignition Module 811637T fit?
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It fits Mercruiser, Volvo Penta, and OMC marine engines with 4-cylinder, V6, and V8 GM-based platforms. Compatible with models requiring 811637, 811637T, 3854003, or 18-5107-1 modules, commonly found in sterndrives and outboards from the 1980s–2000s.
Does the labwork Ignition Module require programming or tuning?
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No, the labwork Ignition Module 811637T is a plug-and-play replacement. It operates as a direct OEM-equivalent unit with no need for calibration, making it ideal for straightforward repairs without specialized tools or software.
How do I install the labwork Ignition Module?
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Installation involves disconnecting the battery, removing the old module, and mounting the new one in the same location with existing hardware. Reconnect wiring and test engine operation. No modifications or special tools are required for most applications.
Is the labwork Ignition Module in stock?
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Yes, the labwork Ignition Module 811637T is currently in stock at Lab Work Auto and ships promptly. Availability is confirmed as of the latest update, but stock levels may change based on demand.
Can I use this module for high-performance marine builds?
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This module is designed for stock engine operation, not high-performance or modified builds. For racing or boosted applications, consider a programmable ignition system. The labwork unit excels in reliability for standard marine use.
How much does labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001 cost?
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labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001 is $17.81 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001 in stock at Lab Work Auto?
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Yes, labwork Ignition Module 811637TFor Volvo Mercruiser 18-5107-1 3854003 811637001 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-012432