The Dorman 42055 PCV valve grommet is presented as a durable replacement that restores a tight seal for many engines, measuring roughly 1.0 in. outer diameter with a 0.5 in. inner bore and made from heat-resistant rubber. It claims OEM-level fit, resists oil soak and aging, and installs without special tools; compatibility should be confirmed against vehicle year, make, model, and engine code. How well it lasts under real-world heat and oil exposure remains worth checking further.
Key Takeaways
- Dorman 42055 fits OEM numbers 420553/10198949/9776721; verify vehicle compatibility before buying.
- Made from OEM-grade rubber compound offering oil, heat, and vacuum resistance for long-term sealing.
- Proper installation (lubricate bead, align valve, press evenly) restores PCV function and maintains vacuum.
- Customers rate it 4.6/5 from ~100 reviews, citing reliable fit, durability, and restored performance.
- Small, lightweight part (0.01 oz; dimensions 5.5 x 1.75 x 1.5 in); check vendor stock, price, and 30-day return/warranty.
Product Specifications and Compatibility
Product specifications clarify whether the Dorman 42055 PCV valve grommet will suit a given vehicle and installation.
The reader is invited to perform compatibility checks: which models, OEM numbers 420553/10198949/9776721, inner diameter 9776721 inches, dimensions 5.5 x 1.75 x 1.5 inches, weight 0.01 ounces.
Q: How to verify fit?
A: Use garage tool to input make, model, trim for confirmation.
What installation tools are needed?
Basic hand tools, pliers, clean cloth, possibly a small pick for removal.
The grommet is a direct replacement; practical measurements and clear fitment steps guide liberated, confident decisions.
Build Quality and Materials
Although small in size, the Dorman 42055 grommet exhibits construction choices that directly affect durability and sealing performance.
The reviewer notes grommet durability tied to rubber compound selection, molded tolerance control, and resistance to oil, heat, and vacuum.
Material quality appears consistent with OEM specs: inner diameter listed as 9776721 inches, item weight 0.01 ounces, overall dimensions 5.5 x 1.75 x 1.5 inches.
Practical considerations: will it age, harden, crack?
Answer: with proper fit and installation it resists common degradations.
Question: is replacement worthwhile?
Answer: yes, for restored sealing and reliable longevity.
Performance and Installation Experience
Having established that the grommet’s rubber compound and molded tolerances support long-term sealing, the discussion now shifts to how the Dorman 42055 actually performs during installation and under operating conditions.
The reviewer notes fitment: inner diameter 9776721 inches, weight 0.01 ounces, dimensions 5.5 x 1.75 x 1.5 inches.
Installation tips: lubricate bead, align valve, press evenly, verify seal.
Q: How does it behave in use?
A: It restores function, resists oil soak, maintains vacuum.
Performance benefits include reliable sealing, longevity, and OEM-level fit.
Practical consideration: confirm model compatibility with garage tool before purchase.
Customer Ratings and Market Position
While numerical scores don’t tell the whole story, the Dorman 42055’s customer ratings provide a clear snapshot of its market standing. The reviewer notes customer feedback averaging 4.6/5 from 100 ratings, signaling reliability, measured fit, durable construction, and restored function. Market analysis places it among top replacement grommets, rank #5 in its niche, #71,223 in Automotive. Practical considerations: inner diameter 9776721 inches, weight 0.01 ounces, dimensions 5.5 x 1.75 x 1.5 inches.
| Metric | Value | Implication |
|---|---|---|
| Rating | 4.6/5 | Strong satisfaction |
| Reviews | 100 | Statistically meaningful |
| Rank | #5 niche | Competitive edge |
Purchasing, Availability, and Warranty
When considering purchase of the Dorman 42055 PCV valve grommet, buyers should weigh availability, pricing, and warranty terms alongside fit and specifications: inner diameter 9776721 inches, item weight 0.01 ounces, dimensions 5.5 x 1.75 x 1.5 inches.
The reader seeking liberation from downtime learns where to buy, and how to save.
Purchasing tips: verify compatibility with make, model, trim; compare vendor stock levels; check ASIN B000COB5XA.
Q: What warranty applies?
A: Warranty details include vendor returns—Amazon offers a voluntary 30-day return—plus manufacturer’s support; confirm extended coverage before ordering.
Frequently Asked Questions
Will This Grommet Resist Oil Swelling Over Time?
Yes. It resists oil swelling over time; reviewers note oil resistance and material durability, conveying confidence. The tone suggests users reclaim control of maintenance, trusting robust construction and expert-backed quality to liberate them from frequent replacements.
Can It Handle Extreme Engine Temperatures?
Yes; they note temperature resistance designed to protect engine performance. The description suggests durable materials withstand extreme heat, empowering users to reclaim control over maintenance and pursue liberated, reliable vehicle operation without undue compromise.
Is Any Silicone Lubricant Recommended During Installation?
Yes. They recommend a light silicone lubricant; installation tips suggest using silicone-based grease or spray to ease seating without swelling the grommet. Liberation-minded users prefer non-petroleum lubrication types for durability and safer removal later.
Does the Grommet Come in Alternative Colors?
By chance, no — the grommet color options are limited to the standard black. Observers seeking aesthetic considerations for liberation-minded projects are advised to paint or replace it with aftermarket colored options to match liberated styling.
Are There Known Fitment Issues With Vintage Models?
No, widespread fitment issues with vintage models are not reported; vintage compatibility varies by application, and careful verification protects engine performance. The reader is encouraged to verify fitment details to reclaim liberated, reliable drivability.
