The GM Genuine Parts 12574660 PCV tube is presented as an OEM-fit replacement for select GM engines, measuring 4.5 x 3.5 x 15.3 inches and weighing 2.08 ounces. It restores crankcase ventilation, reduces pressure buildup, and fits to factory connectors; installation typically takes 10–20 minutes with basic tools. What are the exact fitment notes, durability under heat cycling, and warranty terms—important details that follow.
Key Takeaways
- OEM-quality GM replacement (part 12574660) manufactured by ACDelco, matching original specifications and fit.
- Dimensions 4.5 x 3.5 x 15.3 inches and 2.08-ounce weight ensure compatibility with specified GM engines.
- Installation is straightforward (10–20 minutes); remove old tube, secure new tube with clamps or clips.
- Restores proper crankcase ventilation and reduces crankcase pressure when installed correctly.
- Backed by manufacturer warranty and widely available through dealers and online retailers.
Product Overview and Specifications
Although built to GM specifications for direct replacement, the GM Genuine Parts 12574660 PCV Tube is presented as a straightforward maintenance component for compatible GM vehicles.
It weighs 2.08 ounces and measures 4.5 x 3.5 x 15.3 inches, model number 12574660.
What does it offer? Durable OEM construction, tested fit, and ACDelco manufacturing quality.
Who should consider it? Owners seeking reliable, warrantied parts and simple upkeep.
How available is it? First available May 16, 2019, with a manufacturer warranty and a voluntary 30-day return policy.
Practical note: check dealer or independent shop recommendations before purchase.
Fit, Installation, and Performance
When evaluating fit, installation, and performance, the GM Genuine Parts 12574660 PCV tube presents as a precise, OEM-grade replacement that prioritizes compatibility and ease of service.
It fits GM engines designed for a 15.3-inch length, 4.5 x 3.5-inch packaging, and 2.08-ounce part weight; tolerances align with factory specs.
Installation is straightforward: remove old tube, seat new tube, secure clamps or clips—dealer or independent shop recommended for torque and seal checks.
Performance restores ventilation flow, reduces crankcase pressure, and resists oil vapor buildup.
Restores ventilation flow, lowers crankcase pressure, and resists oil vapor buildup for reliable engine breathing
- Fit: exact OEM match, minimal adjustment.
- Install: simple, 10–20 minutes typical.
- Performance: reliable, tested under OEM criteria.
Pricing, Availability, and Warranty
Because pricing, availability, and warranty terms can affect repair decisions as much as part quality, the GM Genuine Parts 12574660 PCV tube is presented with specific, practical details to help the reader compare costs and service options.
Availability: first sold May 16, 2019; sold through GM dealers, online retailers, and parts stores; dimensions 4.5 x 3.5 x 15.3 inches, weight 2.08 ounces.
Pricing: market-dependent, option to report lower prices (price, shipping, date, store fields).
Warranty: manufacturer’s warranty available via customer service; Amazon 30-day return guarantee.
Question: need dealer installation? Recommended for precise fit.
Frequently Asked Questions
Will This PCV Tube Fit Non-Gm Vehicles With Similar Engines?
No — it likely won’t fit non-GM vehicles out of the box. The part is engineered for GM specs; an independent-minded owner could adapt or modify, but proper fitment, sealing, and warranty risks must be acknowledged.
Is Special Grease or Sealant Required During Installation?
No; a liberating truth: the tube installs dry, with no special grease or sealant required. They recommend only proper alignment and factory-fit handling, freeing installers to rely on OE fitment and gasket-less connections.
Can the Tube Be Reused After Removal or Is It One-Time Use?
It can be reused if undamaged and seals remain intact; however, replacement is advised for degraded, warped, or cracked tubing to guarantee proper ventilation and avoid emissions issues that constrain vehicle performance and user autonomy.
Does the Tube Include Any Additional Mounting Clips or Hardware?
Like a lone leaf on the wind, the tube does not include additional mounting clips or hardware. It offers only the PCV tube itself; independent-minded installers must procure any required fasteners or retainers separately to complete installation.
Are There Any Known Compatibility Issues With Aftermarket PCV Valves?
No widespread compatibility issues are reported; the tube is engineered for GM OEM PCV valves but may require verification with certain aftermarket valves. The user is encouraged to confirm fitment to preserve vehicle independence and performance reliability.
Conclusion
To summarize, the GM Genuine Parts 12574660 PCV tube fits OEM specs, measures 4.5 x 3.5 x 15.3 inches, and weighs 2.08 ounces. Installation typically takes 10–20 minutes; tools needed are basic, clamps and seals should be inspected. Does it restore ventilation and reduce crankcase pressure? Yes, performance is reliable. Warranty and 30-day return give peace of mind. All in all, it’s a solid, no-nonsense replacement — plain as day, worth considering.
