$ 24.95
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GM Engine Pre-Lube Adapter – 1/8" NPT
Protect a fresh GM build from “dry-start” wear with the Motive Products GM Pre-Lube Adapter (1/8" NPT, #1188). Thread this billet fitting into the factory oil-pressure sender port, snap the quick-connect to your Motive PowerFill™ or Power Bleeder hose, and pressurize the oil galleries before first fire-up. Thirty seconds of priming coats bearings, lifters, and cams with clean oil—no starter cranking, no messy funnels.
| Feature | Benefit |
|---|---|
| 1/8" NPT male thread | Direct fit for late-model LS, LT, and many small-block/big-block GM engines that relocated the sender to a 1/8" NPT port. |
| Stainless quick-connect nipple | Couples instantly with any Motive hose for leak-free pre-lube or pressure testing. |
| Anodized aluminum body | Lightweight, corrosion-proof, safe for all conventional & synthetic oils. |
| Compact design | Clears tight firewall and intake areas—prime the engine even on a fully dressed long-block. |
| Reusable shop tool | Essential for engine builders, machine shops, race teams, and DIY swaps—one adapter serves countless engines. |
How to Use
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Remove the factory sender or plug.
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Thread in the GM pre-lube adapter (hand-tight + 1/8 turn).
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Attach your Motive tank hose, fill with break-in oil, and pump to 20–25 psi.
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Watch for pressure on the gauge and oil at rocker arms. Remove, re-install the sender, and you’re ready to light it off with confidence.
Give your crate, rebuild, or LS-swap the best start possible—prime it first with the Motive 1/8" NPT engine pre-lube adapter and drive away worry-free.
Verify port size before ordering. For GM engines with 3/8" NPT sender ports, use Motive adapter #1138.
WARNING: Reproductive Harm - www.P65Warnings.ca.gov