MOROCCA

§ Fitment Guide

Poulan PP4818A chain size & replacement chart

The Poulan PP4818A takes a 3/8" pitch, .050" gauge chain. Below: every factory bar length with its exact drive-link count, cross-referenced to Oregon part numbers, plus the OEM parts list.

Fitment matrix

Bar lengthPitchGaugeDrive linksOregon chainsBars / combos
18" 3/8" .050" 66, 68 72EXL066X272EXL068X2D66D68E66E6872TXL068G72TXL066G72EXL066G72EXL068G72LPX066G72LPX068G 180RNDK095180VXLHK095

Source: Oregon part-finder, retrieved 2026-07-06. Part numbers link to the manufacturer's spec page. Always confirm drive-link count against your current chain before ordering.

Compatible chains in our shop

18 Inch Chainsaw Chain
Saw Chains
18 Inch Chainsaw Chain
pitch 3/8 · gauge .050" · $19
1PC 20 Inch Replacement Chain
Saw Chains
1PC 20 Inch Replacement Chain
pitch 3/8 · gauge .050" · $25
1PC 24'' inch Chainsaw Saw Chain
Saw Chains
1PC 24'' inch Chainsaw Saw Chain
pitch 3/8 · gauge .050" · $22
20 in. Chainsaw Chain - 70 Link
Saw Chains
20 in. Chainsaw Chain - 70 Link
pitch 3/8 · gauge .050" · $14
20 Inch Chainsaw Chain
Saw Chains
20 Inch Chainsaw Chain
pitch 3/8 · gauge .050" · $23
20" replacement saw chain
Saw Chains
20" replacement saw chain
pitch 3/8 · gauge .050" · $22

How to confirm the fit

  1. Read your bar. The pitch and gauge are stamped on the guide bar near the saw body — e.g. 3/8" LP .050".
  2. Count drive links. Lay the old chain flat and count the teeth that ride inside the bar groove. This number must match exactly; length in inches is not enough.
  3. Match all three. Pitch, gauge and drive-link count all have to agree with a row in the table above. Two of three is not a fit.
Measuring a chainsaw chain's gauge with a caliper

Watch: how to identify chain pitch and gauge

Oregon Products: Identifying Chain Pitch and Chain Gauge Oregon Products: Identifying Chain Pitch and Chain Gauge

Official video from Oregon Products, the manufacturer behind the cross-reference part numbers above.

Official Poulan resources

FAQ

What size chain does a Poulan PP4818A take?

The Poulan PP4818A runs a 3/8" pitch, .050" gauge chain. Available bar lengths: 18". Match the drive-link count to your bar (see the table above).

How do I know which gauge my PP4818A chain is?

Check the number stamped on your guide bar near the tail, or measure the drive-link thickness with calipers. Common gauges for the PP4818A are .050".

Can I put a longer bar on my Poulan PP4818A?

Oregon lists 18" bars for the PP4818A. Stay within this range — a longer bar than the engine is rated for cuts slowly and accelerates wear.