Holley 135-5 Rubber Accelerator Pump Diaphragm For 30cc Carburetors
Why you'll like it
- Immediate Throttle Response — Delivers an instant shot of fuel upon acceleration to eliminate engine hesitation and bogs.
- Perfect Fit Compatibility — Designed for standard 30cc accelerator pump housings on popular Holley 2300, 4150, and 4160 carburetors.
- Durable Construction — Manufactured from high quality black rubber compound built to withstand regular petrol fuel exposure.
- Easy Maintenance — Serves as a direct replacement component to quickly swap out worn, cracked, or leaking factory diaphragms.
Product details
Description
Restore precise fuel delivery and eliminate engine hesitation with the Holley 135-5 Rubber Accelerator Pump Diaphragm. Designed as a direct replacement component for standard 30cc accelerator pump housings, this genuine part ensures an immediate, accurate shot of fuel the moment the throttle opens.
It is engineered to fit popular Holley carburetor series including the 2300, 4150, and 4160 models, making it an essential maintenance item for performance and classic vehicle restorations. Crafted from a durable black rubber compound, it effectively prevents flat spots during acceleration and cold starts while resolving issues related to worn or damaged original components.
Ideal for automotive enthusiasts looking to maintain optimal carburetor responsiveness and smooth engine performance.
How to use
- Remove the lower accelerator pump housing cover on your carburetor.
- Take out the old diaphragm and spring, clean the housing cavity, and insert the new Holley 135-5 diaphragm.
- Secure the cover evenly with screws, ensuring a tight seal to prevent fuel leaks.
Ingredients
Premium automotive grade black rubber elastomer compound
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Holley |
|---|---|
| UPC | 090127026892 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
Top reviews first: highest rated, with photos first
- Amit S.5 ★
good backup parts
ordered two pieces to keep as spares for garage work on older vehicles. tried one on a 4160 setup and fuel delivery is right on point now. happy with the purchase.
- Siddharth K.5 ★
punyatla best maintenance item
mi he dusandya vela magvla ahe majhya classic car sathi. ekdum perfect fit hoto 30cc pump la ani cold start cha problem solve jhala. engine madhe accelerator dabtana ataa hesitation nahi hot. delivery pn fast hoti.
- Arjun N.5 ★
exact replacement for 30cc housing
worked as expected for my 2300 series carb. proper fit and stopped the minor fuel leak during cold starts.
- Rohan D.5 ★
finally fixed hesitation
was struggling with flat spots when accelerating my old 4150 carb on the classic restoration project. replaced the old torn part with this rubber diaphragm and the throttle response is back to normal immediately. solid quality black rubber compound and fits the housing snug. packaging was fine and delivery arrived on time.
FAQs
What is the Holley list number stamped on your choke horn?
Checking the list number stamped on your carburetor's choke horn helps verify compatibility. Part 135-5 is specifically engineered to fit standard 30cc accelerator pump setups found on popular Holley 4-barrel carburetors.
Are you experiencing a specific performance issue like a stumble or fuel leak?
Common signs of a failing accelerator pump diaphragm include engine hesitation when pressing the gas pedal, flat spots during acceleration, or visible fuel dampness around the lower pump housing cover.
Which carburetor series are compatible with the Holley 135-5 diaphragm?
This diaphragm is compatible with standard Holley 2300, 4150, and 4160 series carburetors that feature a 30cc front accelerator pump housing.
Are these genuine USA imported automotive parts available in India?
Yes, Dropy India sources 100 percent authentic USA-imported Holley automotive replacement parts directly to ensure genuine performance and durability.
Does this package include mounting screws?
No, the Holley 135-5 diaphragm is supplied as a replacement component without screws, utilizing your existing hardware during installation.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.