Verified Fitment Rod 97333173 Compatible with Ingersoll Rand SS5

Cross-Reference Verified — dimensional data mapped against superseded SS5-series variants before dispatch, not copied from third-party tables.

Technical Specifications

Application Suitability

Why the Same Part Number Ships in Multiple Variants

Variant differences within a single connecting rod designation cause more fitment failures than outright wrong parts.

When cross-reference tables are copied between sellers without verification, errors propagate across the entire aftermarket supply chain. A compressor that left the factory a decade ago may have received internal revisions that changed the connecting rod interface without changing the external part number on the nameplate. I have seen a rod ordered against a confirmed number arrive with the correct big-end bore but a small-end bushing diameter that was marginally out of tolerance for that specific production run, resulting in premature wrist pin wear within the first few hundred hours [NEED_CITE: air compressor reciprocating component tolerance drift across production revisions]. The Connecting Rod 97333173 for Ingersoll Rand SS5 SS5L5 SS5N5 cross reference fitment requires checking more than just the number stamped on the old part.

Serial Range and Production Run Identification

The SS5 family spans several production generations, and the connecting rod interface was not static across all of them. Early-build SS5 compressors may carry a rod with a slightly different bolt-hole spacing on the big-end cap compared to later units, even though the base reference number remained unchanged in some catalogues. Confirming your compressor serial number narrows the fitment window and eliminates the risk of receiving a rod that physically bolts on but runs with incorrect bearing crush.

Critical Interface Dimensions That Must Match

Beyond the part number itself, the big-end bore diameter, small-end bore diameter, center distance between the two bores, and the cap bolt pattern must all align with what your crankshaft and piston assembly expect. A rod that is dimensionally close but not exact will either fail to assemble or, worse, assemble with hidden preload issues that surface as bearing failure or cap bolt fatigue. We verify these dimensions against documented specifications for each SS5-series variant before confirming fitment [NEED_CITE: connecting rod dimensional inspection criteria for reciprocating compressors].

Reading the Specs That Actually Matter

The big-end bore must match the crankshaft journal diameter within the bearing clearance specification for the compressor operating speed. Center distance determines the piston stroke geometry and affects valve timing indirectly through piston position at top and bottom dead center. The bolt pattern and fastener grade must handle the cyclic tensile and compressive loads without stretch or fatigue cracking over thousands of cycles. Material composition and heat treatment condition of the rod body influence its resistance to bending under peak cylinder pressure.

The Hidden Cost of a Rod That Almost Fits

A connecting rod that bolts up but has a big-end bore even slightly outside tolerance creates uneven bearing loading. The compressor may run for weeks before the bearing shell starts to spall, at which point metal contamination spreads through the crankcase oil and damages other journals. The machine goes down again, but now the repair scope has expanded from a single rod replacement to a full crankshaft inspection and possible regrind. This is the failure pattern I have encountered when fitment was assumed from a part number alone without physical measurement of the replacement component [NEED_CITE: reciprocating compressor secondary damage from bearing shell failure].

Why Source This Rod Through Our Verification Process

We run our own production on selected part lines and source the remainder from ISO-certified manufacturing partners, both covered under a single warranty account. Eight product categories mean a complete compressor overhaul list — rods, bearings, seals, gaskets, valves — ships as one consignment instead of fragmented orders from different vendors. Minimum order is one piece, so an emergency single-rod replacement does not require buying a full set. Identification works from a part number, machine model, or even a photograph of a worn nameplate. Cross-reference verification covers superseded and alternate numbers that may appear in older service manuals. Sample supply is available for physical fitment confirmation before you commit to fleet-level quantities.

Documentation & Verification

• Commercial invoice and packing list itemized by rod quantity and variant designation
• Part compatibility sheet showing verified cross-reference numbers marked as reference only
• Dimensional inspection record covering big-end bore, small-end bore, and center distance
• Warranty terms covering manufacturing defects for the stated period
• Packing photographs showing rod protection and boxing condition before dispatch
• HS code and customs documentation support for international shipment

Fitment Check Before Installation

• Measure big-end bore on the new Connecting Rod 97333173 and compare against crankshaft journal diameter
• Verify small-end bore matches the wrist pin or bushing specification for your SS5 variant
• Check cap bolt hole spacing and thread condition against the original rod before assembly
• Confirm center distance with calipers to rule out variant mismatch before installing piston
• Trial-fit the rod on the crankshaft without bearings to feel for any binding or misalignment

Send Your Details for Fitment Confirmation

Provide your compressor model, serial number, or a photograph of the existing connecting rod and nameplate. We will cross-reference the dimensional data against known SS5, SS5L5, and SS5N5 variants and confirm whether 97333173 is the correct match or if a superseded number applies. If you are ordering for multiple units or planning a fleet overhaul, request a sample first to verify physical fitment before committing to the full quantity.

Frequently Asked Questions

Q: How do I confirm this connecting rod fits my specific SS5 / SS5L5 / SS5N5 compressor? A: Send us your compressor serial number or a clear photograph of the existing rod and nameplate. We cross-reference the big-end bore, small-end bore, center distance, and bolt pattern against documented specifications for each SS5-series variant. This verification eliminates the guesswork that comes from relying on copied cross-reference tables alone.

Q: My original part number looks different from 97333173 — is it still the right replacement? A: Possibly. Ingersoll Rand has superseded certain part numbers across SS5-series production runs, and older service manuals may list a number that has since been consolidated under 97333173 as a reference only. Send us both numbers and your machine serial, and we will verify whether they map to the same dimensional specification.

Q: Why are there multiple connecting rod variants for the same compressor model series? A: Production revisions over the SS5 family lifespan introduced changes to internal components, including the connecting rod interface. These changes were not always reflected in external part number updates, creating situations where two compressors with identical nameplates require different rod dimensions. Serial-level verification resolves this.

Q: I only have the machine model, not the part number — can you identify the correct rod? A: Yes. Provide the machine model and, ideally, the serial number or a photograph of the compressor nameplate. We use this information to narrow down the production run and identify the correct connecting rod variant, including any superseded reference numbers that apply to your specific unit.

Q: Can I order a sample to verify fitment before placing a larger order? A: Yes, our minimum order is one piece. We recommend ordering a single Connecting Rod 97333173 for physical trial fitment on your compressor before committing to bulk quantities, especially if you are servicing multiple units across a fleet or if the original rod shows signs of prior replacement with a non-standard component.